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1503.06056
Falko Dulat
Charalampos Anastasiou, Claude Duhr, Falko Dulat, Franz Herzog and Bernhard Mistlberger
Higgs boson gluon-fusion production in N3LO QCD
5 pages, 3 figures
Phys. Rev. Lett. 114, 212001 (2015)
10.1103/PhysRevLett.114.212001
CERN-PH-TH/2015-055, CP3-15-07
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present the cross-section for the production of a Higgs boson at hadron-colliders at next-to- next-to-next-to-leading order (N3LO) in perturbative QCD. The calculation is based on a method to perform a series expansion of the partonic cross-section around the threshold limit to an arbitrary order. We perform this ...
[ { "created": "Fri, 20 Mar 2015 12:41:38 GMT", "version": "v1" } ]
2015-06-03
[ [ "Anastasiou", "Charalampos", "" ], [ "Duhr", "Claude", "" ], [ "Dulat", "Falko", "" ], [ "Herzog", "Franz", "" ], [ "Mistlberger", "Bernhard", "" ] ]
We present the cross-section for the production of a Higgs boson at hadron-colliders at next-to- next-to-next-to-leading order (N3LO) in perturbative QCD. The calculation is based on a method to perform a series expansion of the partonic cross-section around the threshold limit to an arbitrary order. We perform this ex...
hep-ph/0611062
Boris Blok
B. Blok and L. Frankfurt
The casuality and/or energy-momentum conservation constraints on QCD amplitudes in small x regime
24 pages,8 figures. The paper is streamlined, some references are changed and misprints are eliminated
Phys.Rev.D75:074001,2007
10.1103/PhysRevD.75.074001
null
hep-ph
null
The causality and/or the energy-momentum constraints on the amplitudes of high energy processes are generalized to QCD. The constraints imply that the energetic parton may experience at most one inelastic collision only and that the number of the constituents in the light cone wave function of the projectile is incre...
[ { "created": "Mon, 6 Nov 2006 17:02:17 GMT", "version": "v1" }, { "created": "Sun, 18 Feb 2007 12:30:14 GMT", "version": "v2" } ]
2008-11-26
[ [ "Blok", "B.", "" ], [ "Frankfurt", "L.", "" ] ]
The causality and/or the energy-momentum constraints on the amplitudes of high energy processes are generalized to QCD. The constraints imply that the energetic parton may experience at most one inelastic collision only and that the number of the constituents in the light cone wave function of the projectile is increas...
1409.2981
Urs Wiedemann A
Federico Antinori, Nestor Armesto, Paolo Bartalini, Rene Bellwied, Peter Braun-Munzinger, Brian Cole, Andrea Dainese, Marek Gazdzicki, Paolo Giubellino, John Harris, Ulrich Heinz, Barbara Jacak, Peter Jacobs, Dmitri Kharzeev, Constantin Loizides, Silvia Masciocchi, Andreas Morsch, Berndt Mueller, Jamie Nagle, G...
Thoughts on opportunities from high-energy nuclear collisions
10 pages, pdf
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This document summarizes thoughts on opportunities from high-energy nuclear collisions.
[ { "created": "Wed, 10 Sep 2014 08:15:36 GMT", "version": "v1" } ]
2014-09-11
[ [ "Antinori", "Federico", "" ], [ "Armesto", "Nestor", "" ], [ "Bartalini", "Paolo", "" ], [ "Bellwied", "Rene", "" ], [ "Braun-Munzinger", "Peter", "" ], [ "Cole", "Brian", "" ], [ "Dainese", "Andrea", "" ...
This document summarizes thoughts on opportunities from high-energy nuclear collisions.
2304.10560
Arturo de Giorgi Mr.
Arturo de Giorgi, Fotis Koutroulis, Luca Merlo, Stefan Pokorski
Flavour and Higgs physics in $Z_2$-symmetric 2HD models near the decoupling limit
30 pages, 16 figures
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
With no evidence of any exotic particle detected so far beyond the Standard Model, the new physics may lie above the presently accessible energies at colliders and, at low-energies, can be accounted for via an effective description. The interplay of flavour and Higgs physics data allows setting stringent bounds on th...
[ { "created": "Thu, 20 Apr 2023 18:00:00 GMT", "version": "v1" }, { "created": "Fri, 18 Aug 2023 08:35:01 GMT", "version": "v2" } ]
2023-08-21
[ [ "de Giorgi", "Arturo", "" ], [ "Koutroulis", "Fotis", "" ], [ "Merlo", "Luca", "" ], [ "Pokorski", "Stefan", "" ] ]
With no evidence of any exotic particle detected so far beyond the Standard Model, the new physics may lie above the presently accessible energies at colliders and, at low-energies, can be accounted for via an effective description. The interplay of flavour and Higgs physics data allows setting stringent bounds on the ...
hep-ph/0101257
Stefan Dittmaier
A.Denner, S.Dittmaier, M.Roth and D.Wackeroth
Off-shell W-pair production - universal versus non-universal corrections
15 pages, latex, 11 postscript files, to appear in the Proceedings of the 5th International Symposium on Radiative Corrections (RADCOR-2000), Carmel CA, USA, 11-15 September, 2000
null
null
DESY 01/003, LU-ITP 01/01, PSI-PR-01-01, UR-1630, ER/40685/965
hep-ph
null
Electroweak radiative corrections to e+e- scattering processes typically amount to O(10%) at LEP energies. Their logarithmic increase with energy renders them even more important at future colliders. Although the bulk of these corrections is due to universal process-independent effects, the remaining non-universal co...
[ { "created": "Tue, 23 Jan 2001 10:07:34 GMT", "version": "v1" } ]
2007-05-23
[ [ "Denner", "A.", "" ], [ "Dittmaier", "S.", "" ], [ "Roth", "M.", "" ], [ "Wackeroth", "D.", "" ] ]
Electroweak radiative corrections to e+e- scattering processes typically amount to O(10%) at LEP energies. Their logarithmic increase with energy renders them even more important at future colliders. Although the bulk of these corrections is due to universal process-independent effects, the remaining non-universal corr...
0909.4475
Nigel Glover
Simon Badger, E. W. Nigel Glover, Pierpaolo Mastrolia, Ciaran Williams
One-loop Higgs plus four gluon amplitudes: Full analytic results
24 pages, 4 figures, JHEP3 class, typos fixed
JHEP 1001:036,2010
10.1007/JHEP01(2010)036
IPPP/09/58, CERN-PH-TH/2009-163, DESY-09-138
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider one-loop amplitudes of a Higgs boson coupled to gluons in the limit of a large top quark mass. We treat the Higgs as the real part of a complex field phi that couples to the self-dual field strengths and compute the one-loop corrections to the phi-NMHV amplitude, which contains one gluon of positive helic...
[ { "created": "Thu, 24 Sep 2009 17:17:24 GMT", "version": "v1" }, { "created": "Tue, 15 Dec 2009 12:12:26 GMT", "version": "v2" } ]
2010-01-22
[ [ "Badger", "Simon", "" ], [ "Glover", "E. W. Nigel", "" ], [ "Mastrolia", "Pierpaolo", "" ], [ "Williams", "Ciaran", "" ] ]
We consider one-loop amplitudes of a Higgs boson coupled to gluons in the limit of a large top quark mass. We treat the Higgs as the real part of a complex field phi that couples to the self-dual field strengths and compute the one-loop corrections to the phi-NMHV amplitude, which contains one gluon of positive helicit...
1303.6962
Lawrence Hall
L. J. Hall and G. G. Ross
Discrete Symmetries and Neutrino Mass Perturbations for \theta_{13}
20 pages
null
10.1007/JHEP11(2013)091
CERN-PH-TH/2012-175
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The recent measurement of the third lepton mixing angle, \theta_{13}, has shown that, although small compared to \theta_{12} and \theta_{23}, it is much larger than anticipated in schemes that generate Tri-Bi-Maximal (TBM) or Golden Ratio (GR) mixing. We develop a model-independent formalism for perturbations away fr...
[ { "created": "Wed, 27 Mar 2013 20:00:12 GMT", "version": "v1" }, { "created": "Sat, 2 Nov 2013 01:56:11 GMT", "version": "v2" } ]
2015-06-15
[ [ "Hall", "L. J.", "" ], [ "Ross", "G. G.", "" ] ]
The recent measurement of the third lepton mixing angle, \theta_{13}, has shown that, although small compared to \theta_{12} and \theta_{23}, it is much larger than anticipated in schemes that generate Tri-Bi-Maximal (TBM) or Golden Ratio (GR) mixing. We develop a model-independent formalism for perturbations away from...
2307.08745
Matteo Fael
Jason Aebischer, Matteo Fael, Javier Fuentes-Mart\'in, Anders Eller Thomsen, Javier Virto, Lukas Allwicher, Supratim Das Bakshi, Herm\`es B\'elusca-Ma\"ito, Jorge de Blas, Mikael Chala, Juan Carlos Criado, Athanasios Dedes, Renato M. Fonseca, Angelica Goncalves, Amon Ilakovac, Matthias K\"onig, Sunando Kumar Pa...
Computing Tools for Effective Field Theories
116 pages, 10 figures. Based on the contributions to SMEFT-Tools 2022 (https://indico.icc.ub.edu/event/128/). v2: version published in EPJC
Eur. Phys. J. C 84, 170 (2024)
10.1140/epjc/s10052-023-12323-y
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
In recent years, theoretical and phenomenological studies with effective field theories have become a trending and prolific line of research in the field of high-energy physics. In order to discuss present and future prospects concerning automated tools in this field, the SMEFT-Tools 2022 workshop was held at the Uni...
[ { "created": "Mon, 17 Jul 2023 18:00:03 GMT", "version": "v1" }, { "created": "Fri, 15 Mar 2024 11:21:41 GMT", "version": "v2" } ]
2024-03-18
[ [ "Aebischer", "Jason", "" ], [ "Fael", "Matteo", "" ], [ "Fuentes-Martín", "Javier", "" ], [ "Thomsen", "Anders Eller", "" ], [ "Virto", "Javier", "" ], [ "Allwicher", "Lukas", "" ], [ "Bakshi", "Supratim Das", ...
In recent years, theoretical and phenomenological studies with effective field theories have become a trending and prolific line of research in the field of high-energy physics. In order to discuss present and future prospects concerning automated tools in this field, the SMEFT-Tools 2022 workshop was held at the Unive...
1009.1127
Frank Siegert
Stefan Hoeche, Frank Krauss, Marek Schonherr, Frank Siegert
NLO matrix elements and truncated showers
34 pages, 24 figures, v2 as accepted for publication in JHEP: extended discussion of unitarity violations
JHEP 1108:123,2011
10.1007/JHEP08(2011)123
ZU-TH 13/10, IPPP/10/73, DCPT/10/146, CERN-PH-TH/2010-195, MCNET/10/17
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this publication, an algorithm is presented that combines the ME+PS approach to merge sequences of tree-level matrix elements into inclusive event samples with the POWHEG method, which combines exact next-to-leading order matrix element results with the parton shower. It was developed in parallel to the MENLOPS te...
[ { "created": "Mon, 6 Sep 2010 19:03:36 GMT", "version": "v1" }, { "created": "Thu, 25 Aug 2011 14:21:50 GMT", "version": "v2" } ]
2011-08-31
[ [ "Hoeche", "Stefan", "" ], [ "Krauss", "Frank", "" ], [ "Schonherr", "Marek", "" ], [ "Siegert", "Frank", "" ] ]
In this publication, an algorithm is presented that combines the ME+PS approach to merge sequences of tree-level matrix elements into inclusive event samples with the POWHEG method, which combines exact next-to-leading order matrix element results with the parton shower. It was developed in parallel to the MENLOPS tech...
hep-ph/9609456
Mark Strikman
Leonid Frankfurt and Mark Strikman
Possible evidence for color transparency from dijet production with large rapidity gaps in $\gamma p$ scattering at HERA and how to test it in $\gamma p, \gamma A$ scattering
4 pages, LaTeX, one Postscript figure included using epsfig.sty. To appear in the conference proceedings of the Workshop "Future Physics at HERA"
null
null
null
hep-ph
null
We argue that the probability of gap survival in dijet production in $\gamma p$ scattering as measured by ZEUS may be due to the color transparency phenomenon and suggest ways to test this hypothesis in the future $\gamma p$ and $\gamma A$ processes.
[ { "created": "Tue, 24 Sep 1996 20:08:25 GMT", "version": "v1" } ]
2007-05-23
[ [ "Frankfurt", "Leonid", "" ], [ "Strikman", "Mark", "" ] ]
We argue that the probability of gap survival in dijet production in $\gamma p$ scattering as measured by ZEUS may be due to the color transparency phenomenon and suggest ways to test this hypothesis in the future $\gamma p$ and $\gamma A$ processes.
0909.1559
Andreas Hohenegger
M. Garny, A. Hohenegger, A. Kartavtsev, M. Lindner
Systematic approach to leptogenesis in nonequilibrium QFT: vertex contribution to the CP-violating parameter
27 pages, 21 figures
Phys.Rev.D80:125027,2009
10.1103/PhysRevD.80.125027
TUM-HEP-735/09
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The generation of a baryon asymmetry via leptogenesis is usually studied by means of classical kinetic equations whose applicability to processes in the hot and expanding early universe is questionable. The approximations implied by the state-of-the-art description can be tested in a first-principle approach based on...
[ { "created": "Wed, 9 Sep 2009 12:44:17 GMT", "version": "v1" }, { "created": "Tue, 5 Jan 2010 10:50:19 GMT", "version": "v2" } ]
2010-04-30
[ [ "Garny", "M.", "" ], [ "Hohenegger", "A.", "" ], [ "Kartavtsev", "A.", "" ], [ "Lindner", "M.", "" ] ]
The generation of a baryon asymmetry via leptogenesis is usually studied by means of classical kinetic equations whose applicability to processes in the hot and expanding early universe is questionable. The approximations implied by the state-of-the-art description can be tested in a first-principle approach based on n...
2211.11467
Serge Bondarenko Dr.
S. Bondarenko (1), Ya. Dydyshka (2,3), L. Kalinovskaya (2), A. Kampf (2), L. Rumyantsev (2), R. Sadykov (2), V. Yermolchyk (2,3) ((1) Bogoliubov Laboratory of Theoretical Physics, JINR, 141980 Dubna, Moscow region, Russia, (2) Dzhelepov Laboratory of Nuclear Problems, JINR, 141980 Dubna, Moscow region, Russia, ...
One-loop radiative corrections to photon-pair production in polarized positron-electron annihilation
17 pages, 6 tables, 3 figures
null
10.1103/PhysRevD.107.073003
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A theoretical description of photon-pair production in polarized positron-electron annihilation is presented. Complete one-loop electroweak radiative corrections are calculated taking into account the exact dependence on the electron mass. Analytical results are derived with the help of the SANC~system. The relevant ...
[ { "created": "Mon, 21 Nov 2022 13:53:13 GMT", "version": "v1" } ]
2023-04-26
[ [ "Bondarenko", "S.", "" ], [ "Dydyshka", "Ya.", "" ], [ "Kalinovskaya", "L.", "" ], [ "Kampf", "A.", "" ], [ "Rumyantsev", "L.", "" ], [ "Sadykov", "R.", "" ], [ "Yermolchyk", "V.", "" ] ]
A theoretical description of photon-pair production in polarized positron-electron annihilation is presented. Complete one-loop electroweak radiative corrections are calculated taking into account the exact dependence on the electron mass. Analytical results are derived with the help of the SANC~system. The relevant co...
1807.06455
Sanjoy Mandal
Sanjoy Mandal, Manimala Mitra and Nita Sinha
Probing Leptoquark and Heavy Neutrino at LHeC
29 pages, 32 figures
Phys. Rev. D 98, 095004 (2018)
10.1103/PhysRevD.98.095004
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We explore leptoquark production and decay for the $\tilde{R}_{2}$ class of models at the proposed $e^{-} p$ collider LHeC, planned to operate with 150 GeV electron and 7 TeV proton beams. In addition to the coupling of leptoquark with the lepton and jet, the model also has right handed neutrinos, coupled to the lept...
[ { "created": "Tue, 17 Jul 2018 14:08:56 GMT", "version": "v1" } ]
2018-11-14
[ [ "Mandal", "Sanjoy", "" ], [ "Mitra", "Manimala", "" ], [ "Sinha", "Nita", "" ] ]
We explore leptoquark production and decay for the $\tilde{R}_{2}$ class of models at the proposed $e^{-} p$ collider LHeC, planned to operate with 150 GeV electron and 7 TeV proton beams. In addition to the coupling of leptoquark with the lepton and jet, the model also has right handed neutrinos, coupled to the leptoq...
2307.03163
Xiu-Fei Li
Xiu-Fei Li
Probing the high temperature symmetry breaking with gravitational waves from domain walls
null
null
null
null
hep-ph astro-ph.CO
http://creativecommons.org/licenses/by/4.0/
The symmetry can be broken at high temperature and then restored at low temperature, which is the so-called \emph{high temperature symmetry breaking}. It often appears in some theories such as the high scale electroweak baryogenesis mechanism. In this paper, we probe the high temperature $\mathbb{Z}_2$ symmetry break...
[ { "created": "Thu, 6 Jul 2023 17:46:20 GMT", "version": "v1" }, { "created": "Tue, 11 Jul 2023 18:30:47 GMT", "version": "v2" } ]
2023-07-13
[ [ "Li", "Xiu-Fei", "" ] ]
The symmetry can be broken at high temperature and then restored at low temperature, which is the so-called \emph{high temperature symmetry breaking}. It often appears in some theories such as the high scale electroweak baryogenesis mechanism. In this paper, we probe the high temperature $\mathbb{Z}_2$ symmetry breakin...
1703.09022
A.I. Romanov
V.G. Ksenzov and A.I. Romanov
Zero Points of Chiral Condensate
5 pages
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate a model with a massless fermion and a massive scalar field with the Yukawa interaction between these two fields. The model possess a discrete symmetry. The chiral condensate is calculated in one-loop approximation in $(1+1)$-dimensional spacetime. It was shown that the chiral condensate vanishes at two...
[ { "created": "Mon, 27 Mar 2017 11:58:46 GMT", "version": "v1" } ]
2017-03-28
[ [ "Ksenzov", "V. G.", "" ], [ "Romanov", "A. I.", "" ] ]
We investigate a model with a massless fermion and a massive scalar field with the Yukawa interaction between these two fields. The model possess a discrete symmetry. The chiral condensate is calculated in one-loop approximation in $(1+1)$-dimensional spacetime. It was shown that the chiral condensate vanishes at two d...
1304.0469
Alexei Prokudin
Alexei Prokudin
Transversity Parton Distribution
6 pages, 2 figures, proceedings of the 7th International Workshop on Chiral Dynamics, August 6 -10, 2012 Jefferson Lab, Newport News, Virginia, USA
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Transversity distribution is one of the three fundamental parton distributions that completely describe polarized spin 1/2 nucleon. Its chiral odd nature prevented for many years its experimental exploration, however presently we have obtained great deal of information about this distribution. This includes experimen...
[ { "created": "Mon, 1 Apr 2013 20:25:23 GMT", "version": "v1" } ]
2013-04-03
[ [ "Prokudin", "Alexei", "" ] ]
Transversity distribution is one of the three fundamental parton distributions that completely describe polarized spin 1/2 nucleon. Its chiral odd nature prevented for many years its experimental exploration, however presently we have obtained great deal of information about this distribution. This includes experimenta...
0708.4398
Werner Vogelsang
Werner Vogelsang, Feng Yuan
Hadronic Dijet Imbalance and Transverse-Momentum Dependent Parton Distributions
13 pages, 3 figures
Phys.Rev.D76:094013,2007
10.1103/PhysRevD.76.094013
BNL-NT-07/35, RBRC-687
hep-ph
null
We compare several recent theoretical studies of the single transverse spin asymmetry in dijet-correlations at hadron colliders. We show that the results of these studies are all consistent. To establish this, we investigate in particular the two-gluon exchange contributions to the relevant initial and final state in...
[ { "created": "Fri, 31 Aug 2007 19:17:18 GMT", "version": "v1" } ]
2008-11-26
[ [ "Vogelsang", "Werner", "" ], [ "Yuan", "Feng", "" ] ]
We compare several recent theoretical studies of the single transverse spin asymmetry in dijet-correlations at hadron colliders. We show that the results of these studies are all consistent. To establish this, we investigate in particular the two-gluon exchange contributions to the relevant initial and final state inte...
hep-ph/9808373
A. Bialas
A.Bialas
Correlations and fluctuations '98
20 pages, latex
null
null
TPJU- 20/98
hep-ph
null
Summary talk at the VIIIth International Workshop on Multiparticle Production "Correlations and Fluctuations '98" held at Matrahaza, Hungary, from 14th till 21st of June 1998.
[ { "created": "Thu, 20 Aug 1998 12:37:06 GMT", "version": "v1" } ]
2009-09-25
[ [ "Bialas", "A.", "" ] ]
Summary talk at the VIIIth International Workshop on Multiparticle Production "Correlations and Fluctuations '98" held at Matrahaza, Hungary, from 14th till 21st of June 1998.
0906.2721
Javier L. Albacete
J. L. Albacete, N. Armesto, J. G. Milhano and C. A. Salgado
A Global Analysis of DIS Data at Small-x with Running Coupling BK Evolution
To appear in the proceedings of the XVII International Workshop on Deep-Inelastic Scattering and Related Subjects DIS 2009, 26-30 April 2009, Madrid. 5 pages, 3 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a global fit to the structure function F_2 measured in lepton-proton experiments at small values of Bjorken-x, x< 0.01, for all experimentally available values of Q^2, 0.045< Q^2 < 800 GeV^2, using the Balitsky -Kovchegov equation including running coupling corrections. Using our fits to F_2, we reproduce ...
[ { "created": "Mon, 15 Jun 2009 15:25:20 GMT", "version": "v1" } ]
2009-06-16
[ [ "Albacete", "J. L.", "" ], [ "Armesto", "N.", "" ], [ "Milhano", "J. G.", "" ], [ "Salgado", "C. A.", "" ] ]
We present a global fit to the structure function F_2 measured in lepton-proton experiments at small values of Bjorken-x, x< 0.01, for all experimentally available values of Q^2, 0.045< Q^2 < 800 GeV^2, using the Balitsky -Kovchegov equation including running coupling corrections. Using our fits to F_2, we reproduce av...
1604.07175
Tom Kaufmann
Tom Kaufmann, Asmita Mukherjee, Werner Vogelsang
Access to Photon Fragmentation Functions in Hadronic Jet Production
16 pages, 3 figures; Minor changes, 1 Ref. added. Version to appear in PRD
Phys. Rev. D 93, 114021 (2016)
10.1103/PhysRevD.93.114021
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We argue that the process $pp \to (\text{jet} \gamma)X$, for which a photon is observed inside a fully reconstructed jet and is treated as part of the jet, offers new probes of the so far little known fragmentation functions for photons. We present a next-to-leading-order QCD calculation of the cross section for this...
[ { "created": "Mon, 25 Apr 2016 09:10:21 GMT", "version": "v1" }, { "created": "Mon, 20 Jun 2016 15:28:33 GMT", "version": "v2" } ]
2016-06-29
[ [ "Kaufmann", "Tom", "" ], [ "Mukherjee", "Asmita", "" ], [ "Vogelsang", "Werner", "" ] ]
We argue that the process $pp \to (\text{jet} \gamma)X$, for which a photon is observed inside a fully reconstructed jet and is treated as part of the jet, offers new probes of the so far little known fragmentation functions for photons. We present a next-to-leading-order QCD calculation of the cross section for this p...
2312.03821
Cristien Arzate
Cristien Arzate, Spencer Chang, Gabriel Jacobo
Primary Observables for Electroweak Gauge Boson Collider Signals
43 pages, 1 figure, 21 tables
null
10.1103/PhysRevD.109.075046
null
hep-ph hep-ex hep-th
http://creativecommons.org/licenses/by-nc-sa/4.0/
In this paper, we determine a basis for the on-shell 4-point amplitudes $VVVV$ for Standard Model gauge bosons $V=W^\pm, Z, \gamma, g$. Following previous work, this completes the analysis of 3- and 4-point amplitudes for the Standard Model and could be used for model independent searches for beyond the Standard Mode...
[ { "created": "Wed, 6 Dec 2023 19:00:00 GMT", "version": "v1" } ]
2024-06-24
[ [ "Arzate", "Cristien", "" ], [ "Chang", "Spencer", "" ], [ "Jacobo", "Gabriel", "" ] ]
In this paper, we determine a basis for the on-shell 4-point amplitudes $VVVV$ for Standard Model gauge bosons $V=W^\pm, Z, \gamma, g$. Following previous work, this completes the analysis of 3- and 4-point amplitudes for the Standard Model and could be used for model independent searches for beyond the Standard Model ...
hep-ph/0212092
Christopher Kolda
G.L. Kane, P. Ko, C. Kolda, Jae-Hyeon Park, Haibin Wang, Lian-Tao Wang
B --> Phi K_S and Supersymmetry
33 pages, 32 figures, Updated version for PRD. Includes discussions of other recent works on this topic. Added discussions & plots for gluino mass dependence and effects of theoretical uncertainties
Phys.Rev.D70:035015,2004
10.1103/PhysRevD.70.035015
KAIST-TH 2002/24, MCTP-02-65, MADPH-02-1314
hep-ph
null
The rare decay B --> Phi K_S is a well-known probe of physics beyond the Standard Model because it arises only through loop effects yet has the same time-dependent CP asymmetry as B --> Psi K_S. Motivated by recent data suggesting new physics in B --> Phi K_S, we look to supersymmetry for possible explanations, inclu...
[ { "created": "Fri, 6 Dec 2002 19:09:59 GMT", "version": "v1" }, { "created": "Mon, 16 Dec 2002 20:55:47 GMT", "version": "v2" }, { "created": "Wed, 5 Nov 2003 06:41:13 GMT", "version": "v3" } ]
2014-11-17
[ [ "Kane", "G. L.", "" ], [ "Ko", "P.", "" ], [ "Kolda", "C.", "" ], [ "Park", "Jae-Hyeon", "" ], [ "Wang", "Haibin", "" ], [ "Wang", "Lian-Tao", "" ] ]
The rare decay B --> Phi K_S is a well-known probe of physics beyond the Standard Model because it arises only through loop effects yet has the same time-dependent CP asymmetry as B --> Psi K_S. Motivated by recent data suggesting new physics in B --> Phi K_S, we look to supersymmetry for possible explanations, includi...
1406.7739
Scientific Information Service CERN
Zhi-Zhong Xing (Beijing, Inst. High Energy Phys.)
Neutrino Physics (CERN-2014-001)
41 pages, contribution to the 1st Asia-Europe-Pacific School of High-Energy Physics, Fukuoka, Japan, 14 - 27 Oct 2012
CERN Yellow Report CERN-2014-001, pp.177-217
10.5170/CERN-2014-001.177
null
hep-ph
http://creativecommons.org/licenses/by/3.0/
I give a theoretical overview of some basic properties of massive neutrinos in these lectures. Particular attention is paid to the origin of neutrino masses, the pattern of lepton flavor mixing, the feature of leptonic CP violation and the electromagnetic properties of massive neutrinos. I highlight the TeV seesaw me...
[ { "created": "Mon, 30 Jun 2014 13:51:31 GMT", "version": "v1" } ]
2014-07-01
[ [ "Xing", "Zhi-Zhong", "", "Beijing, Inst. High Energy Phys." ] ]
I give a theoretical overview of some basic properties of massive neutrinos in these lectures. Particular attention is paid to the origin of neutrino masses, the pattern of lepton flavor mixing, the feature of leptonic CP violation and the electromagnetic properties of massive neutrinos. I highlight the TeV seesaw mech...
1912.05640
Silvia Ferrario Ravasio
Silvia Ferrario Ravasio, Gavin Bewick
Impact of the Recoil Scheme on the Accuracy of Angular-Ordered Parton Showers
7 pages, 4 figures, LFC19: Strong dynamics for physics within and beyond the Standard Model at LHC and Future Colliders
null
null
IPPP/19/92, MCnet-19-26
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In these proceedings we present three possible interpretations of the ordering variable implemented in the Herwig7 angular-ordered parton shower. Each interpretation determines a different recoil-scheme prescription and we show how it can impact the logarithmic accuracy of the algorithm. We also present comparisons w...
[ { "created": "Wed, 11 Dec 2019 21:28:20 GMT", "version": "v1" } ]
2019-12-13
[ [ "Ravasio", "Silvia Ferrario", "" ], [ "Bewick", "Gavin", "" ] ]
In these proceedings we present three possible interpretations of the ordering variable implemented in the Herwig7 angular-ordered parton shower. Each interpretation determines a different recoil-scheme prescription and we show how it can impact the logarithmic accuracy of the algorithm. We also present comparisons wit...
1604.03327
Azadeh Maleknejad
Azadeh Maleknejad
Axion Inflation with an SU(2) Gauge Field: Detectable Chiral Gravity Waves
34 pages, 8 figures, to appear in JHEP
null
10.1007/JHEP07(2016)104
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study a single field axion inflation model in the presence of an SU(2) gauge field with a small vev. In order to make the analysis as model-independent as possible, we consider an arbitrary potential for the axion that is able to support the slow-roll inflation. The gauge field is coupled to the axion with a Chern...
[ { "created": "Tue, 12 Apr 2016 10:12:01 GMT", "version": "v1" }, { "created": "Tue, 5 Jul 2016 10:24:24 GMT", "version": "v2" } ]
2016-08-24
[ [ "Maleknejad", "Azadeh", "" ] ]
We study a single field axion inflation model in the presence of an SU(2) gauge field with a small vev. In order to make the analysis as model-independent as possible, we consider an arbitrary potential for the axion that is able to support the slow-roll inflation. The gauge field is coupled to the axion with a Chern-S...
hep-ph/9902414
Amir hossein Fatollahi
Amir H. Fatollahi
Do Quarks Obey D-Brane Dynamics?
7 pages, no figures, LaTeX
Europhys.Lett.53:317-321,2001
10.1209/epl/i2001-00155-0
null
hep-ph
null
The potential between two D0-branes at rest is calculated to be a linear. Also the potential between two fast decaying D0-branes is found in agreement with phenomenological heavy-quark potentials.
[ { "created": "Sun, 21 Feb 1999 06:32:32 GMT", "version": "v1" } ]
2010-12-17
[ [ "Fatollahi", "Amir H.", "" ] ]
The potential between two D0-branes at rest is calculated to be a linear. Also the potential between two fast decaying D0-branes is found in agreement with phenomenological heavy-quark potentials.
2402.18898
Wei Hao
Wei Hao and Ruilin Zhu
Beauty-charm Meson Family with Coupled Channel Effects and Their Strong Decays
null
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We systematically study the mass spectra and their two-body hadronic decays of the beauty-charm meson family considering the coupled channel effects. Our results can good explain the observed $B_c$ meson spectrum and the prediction of the mass spectrum for unobserved beauty-charm mesons can be tested in future experi...
[ { "created": "Thu, 29 Feb 2024 06:51:55 GMT", "version": "v1" }, { "created": "Mon, 4 Mar 2024 02:59:38 GMT", "version": "v2" } ]
2024-03-05
[ [ "Hao", "Wei", "" ], [ "Zhu", "Ruilin", "" ] ]
We systematically study the mass spectra and their two-body hadronic decays of the beauty-charm meson family considering the coupled channel effects. Our results can good explain the observed $B_c$ meson spectrum and the prediction of the mass spectrum for unobserved beauty-charm mesons can be tested in future experime...
hep-ph/9903367
Hans-Werner Hammer
H.-W. Hammer (TRIUMF) and M.J. Ramsey-Musolf (U. of Connecticut)
K\bar{K}-Continuum and Isoscalar Nucleon Form Factors
17 pages, Latex, 1 PS figure included with epsf.sty
Phys.Rev.C60:045204,1999; Erratum-ibid.C62:049902,2000
10.1103/PhysRevC.60.045204 10.1103/PhysRevC.62.049902
TRI-PP-98-41
hep-ph
null
We analyse the isoscalar vector current form factors of the nucleon using dispersion relations. In addition to the usual vector meson poles, we account for the K\bar{K}-continuum contribution by drawing upon a recent analytic continuation of KN scattering amplitudes. For the Pauli form factor all strength in the \phi...
[ { "created": "Tue, 16 Mar 1999 19:35:57 GMT", "version": "v1" } ]
2014-11-17
[ [ "Hammer", "H. -W.", "", "TRIUMF" ], [ "Ramsey-Musolf", "M. J.", "", "U. of Connecticut" ] ]
We analyse the isoscalar vector current form factors of the nucleon using dispersion relations. In addition to the usual vector meson poles, we account for the K\bar{K}-continuum contribution by drawing upon a recent analytic continuation of KN scattering amplitudes. For the Pauli form factor all strength in the \phi r...
1604.02904
Patricia Magalh\~aes
R. T. Aoude, P. C. Magalh\~aes, A. C. dos Reis and M. R. Robilotta
Multi-Meson Model applied to $D^+ \to K^+ K^- K^+$
null
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Matrix elements of weak currents involving light multi-meson states are important in many hadronic decays of both heavy leptons and heavy mesons. In this paper we focus on the latter case where the current size of the data set demands better models. The specific case of three-kaon weak matrix elements is considered a...
[ { "created": "Mon, 11 Apr 2016 12:03:10 GMT", "version": "v1" } ]
2016-04-12
[ [ "Aoude", "R. T.", "" ], [ "Magalhães", "P. C.", "" ], [ "Reis", "A. C. dos", "" ], [ "Robilotta", "M. R.", "" ] ]
Matrix elements of weak currents involving light multi-meson states are important in many hadronic decays of both heavy leptons and heavy mesons. In this paper we focus on the latter case where the current size of the data set demands better models. The specific case of three-kaon weak matrix elements is considered and...
1812.06950
Gherardo Vita
Arindam Bhattacharya, Ian Moult, Iain W. Stewart, and Gherardo Vita
Helicity Methods for High Multiplicity Subleading Soft and Collinear Limits
25 pages, 1 figure - v2: improvements to text and notation, journal version
J. High Energ. Phys. (2019) 2019: 192
10.1007/JHEP05(2019)192
MIT-CTP 5090
hep-ph hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The factorization of multi-leg gauge theory amplitudes in the soft and collinear limits provides strong constraints on the structure of amplitudes, and enables efficient calculations of multi-jet observables at the LHC. There is significant interest in extending this understanding to include subleading powers in the ...
[ { "created": "Mon, 17 Dec 2018 18:44:48 GMT", "version": "v1" }, { "created": "Mon, 3 Jun 2019 18:08:33 GMT", "version": "v2" } ]
2019-06-05
[ [ "Bhattacharya", "Arindam", "" ], [ "Moult", "Ian", "" ], [ "Stewart", "Iain W.", "" ], [ "Vita", "Gherardo", "" ] ]
The factorization of multi-leg gauge theory amplitudes in the soft and collinear limits provides strong constraints on the structure of amplitudes, and enables efficient calculations of multi-jet observables at the LHC. There is significant interest in extending this understanding to include subleading powers in the so...
hep-ph/0608197
Satoshi Nagai
S. Nagai, N. Sawado, N. Shiiki
Nuclear matter in the chiral quark soliton model with vector mesons
9 pages, 9 figures
null
null
null
hep-ph
null
We study the nuclear matter solution in the chiral quark soliton model coupled to $\rho$ and $\omega$ vector mesons based on the Wigner-Seitz approximation. It is shown that the vector mesons stabilize the soliton at high-density region. As a result, the saturation property and incompressibility are significantly imp...
[ { "created": "Fri, 18 Aug 2006 01:46:21 GMT", "version": "v1" } ]
2007-05-23
[ [ "Nagai", "S.", "" ], [ "Sawado", "N.", "" ], [ "Shiiki", "N.", "" ] ]
We study the nuclear matter solution in the chiral quark soliton model coupled to $\rho$ and $\omega$ vector mesons based on the Wigner-Seitz approximation. It is shown that the vector mesons stabilize the soliton at high-density region. As a result, the saturation property and incompressibility are significantly impro...
hep-ph/0306125
Nikolaos Kidonakis
Nikolaos Kidonakis (Cambridge U.)
A master formula for NNLO soft and virtual QCD corrections
5 pages, presented at the DIS 2003 Workshop, St. Peterburg, Russia, 23-27 April 2003
null
null
Cavendish-HEP-03/05
hep-ph
null
I present a master formula for the next-to-next-to-leading order (NNLO) soft and virtual QCD corrections for any process in hadron-hadron and lepton-hadron colliders. The formula is derived from a unified threshold resummation formalism. Applications to various QCD processes are discussed.
[ { "created": "Fri, 13 Jun 2003 17:11:05 GMT", "version": "v1" } ]
2007-05-23
[ [ "Kidonakis", "Nikolaos", "", "Cambridge U." ] ]
I present a master formula for the next-to-next-to-leading order (NNLO) soft and virtual QCD corrections for any process in hadron-hadron and lepton-hadron colliders. The formula is derived from a unified threshold resummation formalism. Applications to various QCD processes are discussed.
hep-ph/9510335
Hisashi Kikuchi
Hisashi Kikuchi
Enhancement of the Transition Magnetic Moments of a Neutrino by Degenerate Electrons
17 pages, LaTex, 3 figures available upon request
Prog.Theor.Phys. 95 (1996) 543-556
10.1143/PTP.95.543
OHU-PH-9510
hep-ph
null
The one-loop induced magnetic dipole moments of a neutrino are examined in a background of degenerate electrons in the standard model. For the nonrelativistic neutrino, they are enhanced by a factor \( (8\pF/3\mnu) \), where \pF\ is the electron Fermi momentum and \mnu\ the neutrino mass. For the relativistic neutrin...
[ { "created": "Wed, 18 Oct 1995 12:37:11 GMT", "version": "v1" } ]
2009-10-28
[ [ "Kikuchi", "Hisashi", "" ] ]
The one-loop induced magnetic dipole moments of a neutrino are examined in a background of degenerate electrons in the standard model. For the nonrelativistic neutrino, they are enhanced by a factor \( (8\pF/3\mnu) \), where \pF\ is the electron Fermi momentum and \mnu\ the neutrino mass. For the relativistic neutrino,...
hep-ph/0006329
null
K.S. Babu (Fermilab and Oklahoma State University), B. Dutta (Texas A & M University) and R.N. Mohapatra (University of Maryland)
Enhanced electric dipole moment of the muon in the presence of large neutrino mixing
17 pages, RevTeX, 3 figures
Phys.Rev.Lett. 85 (2000) 5064-5067
10.1103/PhysRevLett.85.5064
FERMILAB-Pub-00/147-T, OSU-HEP-00-03, CTP-TAMU-00-20, UMD-PP-00-084
hep-ph
null
The electric dipole moment of the muon (d_mu) is evaluated in supersymmetric models with nonzero neutrino masses and large neutrino mixing arising from the seesaw mechanism. It is found that if the seesaw mechanism is embedded in the framework of a left-right symmetric gauge structure, the interactions responsible fo...
[ { "created": "Wed, 28 Jun 2000 20:34:26 GMT", "version": "v1" } ]
2009-10-31
[ [ "Babu", "K. S.", "", "Fermilab and Oklahoma State University" ], [ "Dutta", "B.", "", "Texas A\n & M University" ], [ "Mohapatra", "R. N.", "", "University of Maryland" ] ]
The electric dipole moment of the muon (d_mu) is evaluated in supersymmetric models with nonzero neutrino masses and large neutrino mixing arising from the seesaw mechanism. It is found that if the seesaw mechanism is embedded in the framework of a left-right symmetric gauge structure, the interactions responsible for ...
2102.01410
Coralie S. Schneider
Jan M. Pawlowski, Coralie S. Schneider and Nicolas Wink
QMeS-Derivation: Mathematica package for the symbolic derivation of functional equations
18 pages, 4 figures
null
null
null
hep-ph hep-th physics.comp-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present the Mathematica package QMeS-Derivation. It derives symbolic functional equations from a given master equation. The latter include functional renormalisation group equations, Dyson-Schwinger equations, Slavnov-Taylor and Ward identities and their modifications in the presence of momentum cutoffs. The modul...
[ { "created": "Tue, 2 Feb 2021 10:00:53 GMT", "version": "v1" }, { "created": "Tue, 8 Feb 2022 10:24:56 GMT", "version": "v2" } ]
2022-02-09
[ [ "Pawlowski", "Jan M.", "" ], [ "Schneider", "Coralie S.", "" ], [ "Wink", "Nicolas", "" ] ]
We present the Mathematica package QMeS-Derivation. It derives symbolic functional equations from a given master equation. The latter include functional renormalisation group equations, Dyson-Schwinger equations, Slavnov-Taylor and Ward identities and their modifications in the presence of momentum cutoffs. The modules...
0708.1729
Matthias Steinhauser
S. Bekavac, A. Grozin, D. Seidel, M. Steinhauser
Light quark mass effects in the on-shell renormalization constants
24 pages
JHEP0710:006,2007
10.1088/1126-6708/2007/10/006
SFB/CPP-07-47, TTP07-21
hep-ph
null
We compute the three-loop relation between the pole and the minimally subtracted quark mass allowing for virtual effects from a second massive quark. We also consider the analogue effects for the on-shell wave function renormalization constant.
[ { "created": "Mon, 13 Aug 2007 16:07:00 GMT", "version": "v1" } ]
2008-11-26
[ [ "Bekavac", "S.", "" ], [ "Grozin", "A.", "" ], [ "Seidel", "D.", "" ], [ "Steinhauser", "M.", "" ] ]
We compute the three-loop relation between the pole and the minimally subtracted quark mass allowing for virtual effects from a second massive quark. We also consider the analogue effects for the on-shell wave function renormalization constant.
1805.02067
Georg Wolschin
P. Schulz and G. Wolschin
Diffusion-model analysis of pPb and PbPb collisions at LHC energies
17 pages, 5 figures, 4 tables
Mod. Phys. Lett. A 33, 1850098 (2018)
10.1142/S0217732318500980
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present an analysis of centrality-dependent pseudorapidity distributions of produced charged hadrons in pPb and PbPb collisions at the LHC energy of sqrt{s_NN}=5.02 TeV, and of minimum-bias pPb collisions at 8.16 TeV within the nonequilibrium-statistical relativistic diffusion model (RDM). In a three-source approa...
[ { "created": "Sat, 5 May 2018 15:08:03 GMT", "version": "v1" } ]
2018-06-05
[ [ "Schulz", "P.", "" ], [ "Wolschin", "G.", "" ] ]
We present an analysis of centrality-dependent pseudorapidity distributions of produced charged hadrons in pPb and PbPb collisions at the LHC energy of sqrt{s_NN}=5.02 TeV, and of minimum-bias pPb collisions at 8.16 TeV within the nonequilibrium-statistical relativistic diffusion model (RDM). In a three-source approach...
hep-ph/9711271
Leonid Satarov
I.N. Mishustin, L.M. Satarov, H. Stoecker, W. Greiner
Collective mechanism of dilepton production in high-energy nuclear collisions
6 pages
J.Phys. G24 (1998) L17-L21
10.1088/0954-3899/24/3/001
null
hep-ph
null
Collective bremsstrahlung of vector meson fields in relativistic nuclear collisions is studied within the time-dependent Walecka model. Mutual deceleration of the colliding nuclei is described by introducing the effective stopping time and average rapidity loss of baryons. It is shown that electromagnetic decays of v...
[ { "created": "Sun, 9 Nov 1997 12:27:59 GMT", "version": "v1" } ]
2009-10-30
[ [ "Mishustin", "I. N.", "" ], [ "Satarov", "L. M.", "" ], [ "Stoecker", "H.", "" ], [ "Greiner", "W.", "" ] ]
Collective bremsstrahlung of vector meson fields in relativistic nuclear collisions is studied within the time-dependent Walecka model. Mutual deceleration of the colliding nuclei is described by introducing the effective stopping time and average rapidity loss of baryons. It is shown that electromagnetic decays of vir...
hep-ph/0612084
Shashank Bhatnagar Dr.
Shashank Bhatnagar and Shi-Yuan Li
Decay Constants of Pseudoscalar Mesons in Bethe-Salpeter Framework with Generalized Structure of Hadron-Quark Vertex
new version of the paper
null
null
null
hep-ph
null
We employ the framework of Bethe-Salpeter equation under Covariant Instantaneous Ansatz to study the leptonic decays of pseudoscalar mesons. The Dirac structure of hadron-quark vertex function $\Gamma $ is generalized to include various Dirac covariants besides $\gamma_5 $ from their complete set. The covariants are ...
[ { "created": "Thu, 7 Dec 2006 12:48:01 GMT", "version": "v1" }, { "created": "Tue, 5 Jun 2007 20:23:06 GMT", "version": "v2" }, { "created": "Sun, 17 Jun 2007 15:39:21 GMT", "version": "v3" }, { "created": "Fri, 12 Oct 2007 16:56:44 GMT", "version": "v4" } ]
2011-11-10
[ [ "Bhatnagar", "Shashank", "" ], [ "Li", "Shi-Yuan", "" ] ]
We employ the framework of Bethe-Salpeter equation under Covariant Instantaneous Ansatz to study the leptonic decays of pseudoscalar mesons. The Dirac structure of hadron-quark vertex function $\Gamma $ is generalized to include various Dirac covariants besides $\gamma_5 $ from their complete set. The covariants are in...
2405.13286
Kiyoshi Kato
Elise de Doncker, Tadashi Ishikawa, Kiyoshi Kato, Fukuko Yuasa
Analytic and numerical approaches for depictive 3-loop integrals using sector decomposition
14 pages
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
Four 3-loop two-point functions are studied analytically and numerically using a simplified sector decomposition method. The coefficients of the ultraviolet divergent part are determined analytically, and those of the finite part are computed numerically. The energy dependence of the integrals is shown explicitly, an...
[ { "created": "Wed, 22 May 2024 01:56:57 GMT", "version": "v1" } ]
2024-05-24
[ [ "de Doncker", "Elise", "" ], [ "Ishikawa", "Tadashi", "" ], [ "Kato", "Kiyoshi", "" ], [ "Yuasa", "Fukuko", "" ] ]
Four 3-loop two-point functions are studied analytically and numerically using a simplified sector decomposition method. The coefficients of the ultraviolet divergent part are determined analytically, and those of the finite part are computed numerically. The energy dependence of the integrals is shown explicitly, and ...
hep-ph/0207090
Carlos J. A. P. Martins
C.J.A.P. Martins (CAUP (Porto), DAMTP (Cambridge), IAP (Paris))
Extra Dimensions and Varying Alpha
Oral contribution to IAP Colloquium 2002, to appear in the Proceedings
null
null
DAMTP-2002-86
hep-ph astro-ph gr-qc hep-th
null
I review recent constraints on and claimed detections of a time-varying fine-structure constant $\alpha$. Our results are consistent with no variation in $\alpha$ from the epoch of recombination to the present day, and restrict any such variation to be less than about 4%. The forthcoming MAP and Planck experiments wi...
[ { "created": "Fri, 5 Jul 2002 15:56:44 GMT", "version": "v1" } ]
2016-09-06
[ [ "Martins", "C. J. A. P.", "", "CAUP" ] ]
I review recent constraints on and claimed detections of a time-varying fine-structure constant $\alpha$. Our results are consistent with no variation in $\alpha$ from the epoch of recombination to the present day, and restrict any such variation to be less than about 4%. The forthcoming MAP and Planck experiments will...
hep-ph/0012069
Arwed Schiller
I.F. Ginzburg, A. Schiller, V.G. Serbo
Charge asymmetry of pions in the process $e^-e^+\to e^-e^+\pi^+\pi^-$
16 pages, 10 figures, LaTeX, style files for EPJC included
Eur.Phys.J.C18:731-746,2001
10.1007/s100520100583
LU 2000/024
hep-ph
null
The study of the charge asymmetry of produced particles allows to investigate the interference of different production mechanisms and to determine new features of the corresponding amplitudes. In the process $e^- e^+ \to e^- e^+ \pi^+ \pi^-$ the two-pion system is produced via two mechanisms: two-photon (C-even state...
[ { "created": "Wed, 6 Dec 2000 17:39:22 GMT", "version": "v1" } ]
2009-01-07
[ [ "Ginzburg", "I. F.", "" ], [ "Schiller", "A.", "" ], [ "Serbo", "V. G.", "" ] ]
The study of the charge asymmetry of produced particles allows to investigate the interference of different production mechanisms and to determine new features of the corresponding amplitudes. In the process $e^- e^+ \to e^- e^+ \pi^+ \pi^-$ the two-pion system is produced via two mechanisms: two-photon (C-even state) ...
hep-ph/0308179
Erasmo Ferreira
H.G. Dosch, E. Ferreira
Exclusive electroproduction of J/psi mesons
Five *.eps figures
Phys.Lett.B576:83-89,2003
10.1016/j.physletb.2003.09.087
null
hep-ph
null
A nonperturbative calculation of elastic electroproduction of the J/psi meson is presented and compared to the experimental data. Our model describes well the observed dependences of the cross sections on the photon virtuality Q2 and on the energy, and the measured ratio R of longitudinal to transverse cross sectio...
[ { "created": "Mon, 18 Aug 2003 18:25:42 GMT", "version": "v1" } ]
2008-11-26
[ [ "Dosch", "H. G.", "" ], [ "Ferreira", "E.", "" ] ]
A nonperturbative calculation of elastic electroproduction of the J/psi meson is presented and compared to the experimental data. Our model describes well the observed dependences of the cross sections on the photon virtuality Q2 and on the energy, and the measured ratio R of longitudinal to transverse cross sections.
2401.13101
Oscar Zapata
Carlos E. Yaguna and \'Oscar Zapata
Singlet Dirac dark matter streamlined
19 pages, 11 figures; v2: journal version
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We propose a new and compact realization of singlet Dirac dark matter within the WIMP framework. Our model replaces the standard $Z_2$ stabilizing symmetry with a $Z_6$, and uses spontaneous symmetry breaking to generate the dark matter mass, resulting in a much simplified scenario for Dirac dark matter. Concretely, ...
[ { "created": "Tue, 23 Jan 2024 21:29:22 GMT", "version": "v1" }, { "created": "Wed, 19 Jun 2024 14:39:52 GMT", "version": "v2" } ]
2024-06-21
[ [ "Yaguna", "Carlos E.", "" ], [ "Zapata", "Óscar", "" ] ]
We propose a new and compact realization of singlet Dirac dark matter within the WIMP framework. Our model replaces the standard $Z_2$ stabilizing symmetry with a $Z_6$, and uses spontaneous symmetry breaking to generate the dark matter mass, resulting in a much simplified scenario for Dirac dark matter. Concretely, we...
2204.04672
Fernando Arias-Arag\'on
Fernando Arias-Arag\'on, Enrique Fern\'andez-Mart\'inez, Manuel Gonz\'alez-L\'opez, Luca Merlo
Dynamical Minimal Flavour Violating Inverse Seesaw
36 pages, 9 figures, 6 tables
null
10.1007/JHEP09(2022)210
IFT-UAM/CSIC-22-34
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Inverse Seesaw mechanism is dynamically realised within the Minimal Lepton Flavour Violation context. Lepton number, whose breaking is spontaneously realised, is generalised to a global Abelian factor of the whole flavour symmetry, that also plays the role of the Peccei-Quinn symmetry. The associated Goldstone bo...
[ { "created": "Sun, 10 Apr 2022 12:24:37 GMT", "version": "v1" } ]
2022-10-19
[ [ "Arias-Aragón", "Fernando", "" ], [ "Fernández-Martínez", "Enrique", "" ], [ "González-López", "Manuel", "" ], [ "Merlo", "Luca", "" ] ]
The Inverse Seesaw mechanism is dynamically realised within the Minimal Lepton Flavour Violation context. Lepton number, whose breaking is spontaneously realised, is generalised to a global Abelian factor of the whole flavour symmetry, that also plays the role of the Peccei-Quinn symmetry. The associated Goldstone boso...
2306.05626
Zhi-Gang Wang
Qi Xin, Zhi-Gang Wang, Fei Lu
The $\Lambda$-type P-wave bottom baryon states via the QCD sum rules
19 pages, 12 figures, revised version
Chin. Phys. C47 (2023) 093106
10.1088/1674-1137/ace81f
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
Our study focuses on the $\Lambda$-type P-wave bottom baryon states with the spin-parity $J^P=\frac{1}{2}^-$, $\frac{3}{2}^-$. We introduce an explicit P-wave between the two light quarks in the interpolating currents (and the two light quarks are antisymmetric in flavor space, therefore leads to the name $\Lambda$-t...
[ { "created": "Fri, 9 Jun 2023 02:20:04 GMT", "version": "v1" }, { "created": "Thu, 6 Jul 2023 08:15:54 GMT", "version": "v2" } ]
2023-08-16
[ [ "Xin", "Qi", "" ], [ "Wang", "Zhi-Gang", "" ], [ "Lu", "Fei", "" ] ]
Our study focuses on the $\Lambda$-type P-wave bottom baryon states with the spin-parity $J^P=\frac{1}{2}^-$, $\frac{3}{2}^-$. We introduce an explicit P-wave between the two light quarks in the interpolating currents (and the two light quarks are antisymmetric in flavor space, therefore leads to the name $\Lambda$-typ...
2011.09460
Teng Ma
Zi-Yu Dong, Cong-Sen Guan, Teng Ma, Jing Shu, Xiao Xue
UV Completed Composite Higgs model with heavy composite partners
11 pages, four figures
Phys. Rev. D 104, 035013 (2021)
10.1103/PhysRevD.104.035013
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study electroweak symmetry breaking in minimal composite Higgs models $SU(4)/Sp(4)$ with purely fermionic UV completions based on a confining Hypercolor gauge group and find that the extra Higgs potential from the underlying preon mass can destruct the correlation between the mass of Higgs and composite partners. ...
[ { "created": "Wed, 18 Nov 2020 18:37:13 GMT", "version": "v1" } ]
2021-08-25
[ [ "Dong", "Zi-Yu", "" ], [ "Guan", "Cong-Sen", "" ], [ "Ma", "Teng", "" ], [ "Shu", "Jing", "" ], [ "Xue", "Xiao", "" ] ]
We study electroweak symmetry breaking in minimal composite Higgs models $SU(4)/Sp(4)$ with purely fermionic UV completions based on a confining Hypercolor gauge group and find that the extra Higgs potential from the underlying preon mass can destruct the correlation between the mass of Higgs and composite partners. Th...
1808.09820
Zhi-Gang Wang
Zhi-Gang Wang
Analysis of the doubly heavy baryon states and pentaquark states with QCD sum rules
30 pages, 34 figures. arXiv admin note: substantial text overlap with arXiv:1806.10384
Eur. Phys. J. C78 (2018) 826
10.1140/epjc/s10052-018-6300-4
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this article, we study the doubly heavy baryon states and pentaquark states with the QCD sum rules by carrying out the operator product expansion up to the vacuum condensates of dimension $7$ and $13$ respectively in a consistent way. In calculations, we separate the contributions of the negative parity and positi...
[ { "created": "Tue, 28 Aug 2018 13:44:22 GMT", "version": "v1" }, { "created": "Fri, 28 Sep 2018 03:07:03 GMT", "version": "v2" } ]
2018-10-17
[ [ "Wang", "Zhi-Gang", "" ] ]
In this article, we study the doubly heavy baryon states and pentaquark states with the QCD sum rules by carrying out the operator product expansion up to the vacuum condensates of dimension $7$ and $13$ respectively in a consistent way. In calculations, we separate the contributions of the negative parity and positive...
1608.03559
Alfredo Suzuki T
Jorge Henrique Sales, Alfredo Takashi Suzuki, Ronaldo Thibes
Revisiting fermion helicity flip in Podolsky's Electromagnetism
5 pages, 2 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The spin projection of a massive particle onto its direction of motion is called helicity (or "handedness"). It can therefore be positive or negative. When a particle's helicity changes from positive to negative (or vice-versa) due to its interaction with other particles or fields, we say there is a helicity flip. In...
[ { "created": "Thu, 11 Aug 2016 18:18:49 GMT", "version": "v1" } ]
2016-08-12
[ [ "Sales", "Jorge Henrique", "" ], [ "Suzuki", "Alfredo Takashi", "" ], [ "Thibes", "Ronaldo", "" ] ]
The spin projection of a massive particle onto its direction of motion is called helicity (or "handedness"). It can therefore be positive or negative. When a particle's helicity changes from positive to negative (or vice-versa) due to its interaction with other particles or fields, we say there is a helicity flip. In t...
2401.10323
Robert Sch\"ofbeck
Suman Chatterjee, Sergio S\'anchez Cruz, Robert Sch\"ofbeck, Dennis Schwarz
A rotation-equivariant graph neural network for learning hadronic SMEFT effects
9 pages, 5 figures
Phys. Rev. D 109, 076012, published 12 April 2024
10.1103/PhysRevD.109.076012
null
hep-ph hep-ex
http://creativecommons.org/publicdomain/zero/1.0/
We introduce a graph neural network architecture designed to extract novel phenomena in the Standard Model Effective Field Theory (SMEFT) context from LHC collision data. The proposed infrared- and collinear-safe architecture is sensitive to the angular orientation of radiation patterns in jets from hadronic decays o...
[ { "created": "Thu, 18 Jan 2024 19:00:01 GMT", "version": "v1" } ]
2024-05-16
[ [ "Chatterjee", "Suman", "" ], [ "Cruz", "Sergio Sánchez", "" ], [ "Schöfbeck", "Robert", "" ], [ "Schwarz", "Dennis", "" ] ]
We introduce a graph neural network architecture designed to extract novel phenomena in the Standard Model Effective Field Theory (SMEFT) context from LHC collision data. The proposed infrared- and collinear-safe architecture is sensitive to the angular orientation of radiation patterns in jets from hadronic decays of ...
hep-ph/0403232
Chun-Khiang Chua
Hai-Yang Cheng, Chun-Khiang Chua and Chien-Wen Hwang
Light-Front Approach for Heavy Pentaquark Transitions
33 pages, 3 figures, version to be published in Phys. Rev. D
Phys.Rev. D70 (2004) 034007
10.1103/PhysRevD.70.034007
null
hep-ph hep-ex
null
Assuming the two diquark structure for the pentaquark state as advocated in the Jaffe-Wilczek model, there exist exotic parity-even anti-sextet and parity-odd triplet heavy pentaquark baryons. The theoretical estimate of charmed and bottom pentaquark masses is quite controversial and it is not clear whether the groun...
[ { "created": "Mon, 22 Mar 2004 09:46:05 GMT", "version": "v1" }, { "created": "Wed, 26 May 2004 09:02:18 GMT", "version": "v2" } ]
2009-11-10
[ [ "Cheng", "Hai-Yang", "" ], [ "Chua", "Chun-Khiang", "" ], [ "Hwang", "Chien-Wen", "" ] ]
Assuming the two diquark structure for the pentaquark state as advocated in the Jaffe-Wilczek model, there exist exotic parity-even anti-sextet and parity-odd triplet heavy pentaquark baryons. The theoretical estimate of charmed and bottom pentaquark masses is quite controversial and it is not clear whether the ground-...
hep-ph/0502052
Sourov Roy
Katri Huitu, Jari Laamanen, Probir Roy, Sourov Roy
Infrared fixed point of the top Yukawa coupling in split supersymmetry
Revtex4, 16 pages including EPS figures. A few references added and the relationship between the upper bound on tan_\beta and fine tuning amplified. Typos in the RGEs given in the appendix corrected. Version to be published in Phys. Rev. D
Phys.Rev. D72 (2005) 055002
10.1103/PhysRevD.72.055002
HIP-2005-03/TH, TIFR/TH/05-05
hep-ph
null
The severe constraints imposed on the parameter space of the minimal split supersymmetry model by the infrared fixed point solution of the top Yukawa coupling $Y_t$ are studied in detail in terms of the value of the top quark mass measured at the Tevatron together with the lower bound on the lightest Higgs mass estab...
[ { "created": "Sat, 5 Feb 2005 17:11:24 GMT", "version": "v1" }, { "created": "Wed, 27 Apr 2005 10:30:23 GMT", "version": "v2" }, { "created": "Wed, 24 Aug 2005 15:17:06 GMT", "version": "v3" } ]
2009-11-11
[ [ "Huitu", "Katri", "" ], [ "Laamanen", "Jari", "" ], [ "Roy", "Probir", "" ], [ "Roy", "Sourov", "" ] ]
The severe constraints imposed on the parameter space of the minimal split supersymmetry model by the infrared fixed point solution of the top Yukawa coupling $Y_t$ are studied in detail in terms of the value of the top quark mass measured at the Tevatron together with the lower bound on the lightest Higgs mass establi...
1701.04254
Yoshitaka Hatta
Yoshikazu Hagiwara, Yoshitaka Hatta, Bo-Wen Xiao, Feng Yuan
Elliptic Flow in Small Systems due to Elliptic Gluon Distributions?
8 pages, 8 figures; v2 discussion in the numerical section modified, results unchanged, to appear in Phys. Lett. B; v3 one reference added
null
10.1016/j.physletb.2017.05.083
YITP-17-02
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the contributions from the so-called elliptic gluon Wigner distributions to the rapidity and azimuthal correlations of particles produced in high energy $pA$ collisions by applying the double parton scattering mechanism. We compute the `elliptic flow' parameter $v_2$ as a function of the transverse mom...
[ { "created": "Mon, 16 Jan 2017 11:46:05 GMT", "version": "v1" }, { "created": "Fri, 2 Jun 2017 07:30:53 GMT", "version": "v2" }, { "created": "Wed, 7 Jun 2017 12:17:14 GMT", "version": "v3" } ]
2017-06-14
[ [ "Hagiwara", "Yoshikazu", "" ], [ "Hatta", "Yoshitaka", "" ], [ "Xiao", "Bo-Wen", "" ], [ "Yuan", "Feng", "" ] ]
We investigate the contributions from the so-called elliptic gluon Wigner distributions to the rapidity and azimuthal correlations of particles produced in high energy $pA$ collisions by applying the double parton scattering mechanism. We compute the `elliptic flow' parameter $v_2$ as a function of the transverse momen...
2211.16163
Yongliang Hao
Yongliang Hao and Dongdong Ni
Dineutron decay into sterile anti-neutrinos in neutron stars and its observable consequences
12 pages, 1 table, and 8 figures
null
10.1103/PhysRevD.107.035026
null
hep-ph
http://creativecommons.org/licenses/by-nc-sa/4.0/
In some extensions of the Standard Model (SM), two neutrons are allowed to decay into two sterile anti-neutrinos ($nn \rightarrow \bar{\chi}\bar{\chi}$) via new scalar bosons. This process violates both the baryon number ($\mathcal{B}$) and the lepton number ($\mathcal{L}$) by two units but conserves their difference...
[ { "created": "Tue, 29 Nov 2022 12:47:12 GMT", "version": "v1" }, { "created": "Thu, 15 Dec 2022 11:37:31 GMT", "version": "v2" } ]
2023-03-06
[ [ "Hao", "Yongliang", "" ], [ "Ni", "Dongdong", "" ] ]
In some extensions of the Standard Model (SM), two neutrons are allowed to decay into two sterile anti-neutrinos ($nn \rightarrow \bar{\chi}\bar{\chi}$) via new scalar bosons. This process violates both the baryon number ($\mathcal{B}$) and the lepton number ($\mathcal{L}$) by two units but conserves their difference $...
hep-ph/9511202
Dr. Peter A. Henning
P.A.Henning, K.Nakamura and Y.Yamanaka
Thermal Field Theory in Non-Equilibrium States
15 pages, latex, 2 figures, also available at ftp://tpri6c.gsi.de/pub/phenning/hny95/ or at http://www.gsi.de/~phenning/tft.html Dedicated to the memory of Hiroomi Umezawa
null
10.1142/S0217979296000696
GSI-Preprint 95-69
hep-ph
null
Conventional transport theory is not really applicable to non-equilibrium systems which exhibit strong quantum effects. We present two different approaches to overcome this problem. Firstly we point out how transport equations may be derived that incorporate a nontrivial spectral function as a typical quantum effect,...
[ { "created": "Wed, 1 Nov 1995 09:01:12 GMT", "version": "v1" } ]
2015-06-25
[ [ "Henning", "P. A.", "" ], [ "Nakamura", "K.", "" ], [ "Yamanaka", "Y.", "" ] ]
Conventional transport theory is not really applicable to non-equilibrium systems which exhibit strong quantum effects. We present two different approaches to overcome this problem. Firstly we point out how transport equations may be derived that incorporate a nontrivial spectral function as a typical quantum effect, a...
1109.6854
Luis Lavoura
L. Lavoura
On a possible relationship between lepton mixing and the stability of dark matter
13 pages
null
10.1088/0954-3899/39/2/025202
CFTP/11-017
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I comment on the proposal that the stability of dark matter may be due to an unbroken Z_2 symmetry contained in the partially broken lepton flavour symmetry group. I remark that (1) there is no Z_2 symmetry apparent in the lepton mass spectrum and in lepton mixing, (2) predictive models of this type may be constructe...
[ { "created": "Fri, 30 Sep 2011 15:35:20 GMT", "version": "v1" } ]
2015-05-30
[ [ "Lavoura", "L.", "" ] ]
I comment on the proposal that the stability of dark matter may be due to an unbroken Z_2 symmetry contained in the partially broken lepton flavour symmetry group. I remark that (1) there is no Z_2 symmetry apparent in the lepton mass spectrum and in lepton mixing, (2) predictive models of this type may be constructed ...
hep-ph/9805273
National Center for Theoretical Sciences
Darwin Chang and Ernest Ma
Shifting $R_b$ with $A^b_{FB}$
11 pages, 1 Figure, LaTex file
Phys.Rev. D58 (1998) 097301
10.1103/PhysRevD.58.097301
null
hep-ph
null
Precision measurements at the $Z$ resonance agree well with the standard model. However, there is still a hint of a discrepancy, not so much in $R_b$ by itself (which has received a great deal of attention in the past several years) but in the forward-backward asymmetry $A^b_{FB}$ together with $R_b$. The two are of ...
[ { "created": "Sun, 10 May 1998 13:47:36 GMT", "version": "v1" } ]
2009-10-31
[ [ "Chang", "Darwin", "" ], [ "Ma", "Ernest", "" ] ]
Precision measurements at the $Z$ resonance agree well with the standard model. However, there is still a hint of a discrepancy, not so much in $R_b$ by itself (which has received a great deal of attention in the past several years) but in the forward-backward asymmetry $A^b_{FB}$ together with $R_b$. The two are of co...
hep-ph/0505099
Holger Gies
Holger Gies and Klaus Klingmuller (Heidelberg U.)
Pair production in inhomogeneous fields
16 pages, 8 figures; v2: minor corrections, PRD version
Phys.Rev. D72 (2005) 065001
10.1103/PhysRevD.72.065001
HD-THEP-05-07
hep-ph
null
We employ the recently developed worldline numerics, which combines string-inspired field theory methods with Monte-Carlo techniques, to develop an algorithm for the computation of pair-production rates in scalar QED for inhomogeneous background fields. We test the algorithm with the classic Sauter potential, for whi...
[ { "created": "Thu, 12 May 2005 09:45:24 GMT", "version": "v1" }, { "created": "Fri, 16 Sep 2005 13:57:39 GMT", "version": "v2" } ]
2009-11-11
[ [ "Gies", "Holger", "", "Heidelberg U." ], [ "Klingmuller", "Klaus", "", "Heidelberg U." ] ]
We employ the recently developed worldline numerics, which combines string-inspired field theory methods with Monte-Carlo techniques, to develop an algorithm for the computation of pair-production rates in scalar QED for inhomogeneous background fields. We test the algorithm with the classic Sauter potential, for which...
hep-ph/0412025
Yuu Maezawa
Yuu Maezawa (1), Tetsuo Hatsuda (1), Shoichi Sasaki (1,2) ((1) Univ. of Tokyo, (2) RIKEN BNL)
Strange Tribaryons as Nona-quark States
10 pages, 3 figures
Prog.Theor.Phys. 114 (2005) 317-327
10.1143/PTP.114.317
null
hep-ph
null
Strange tribaryons as nona-quark (9 quark) states is studied to describe the S=-1 resonance S^0(3115) recently discovered in the reaction K- + ^4 He -> S^0 + p. We have identified S^0(3115) as a member of the flavor 27-plet, in particular, (F_{flavor},I_{isospin},J_{spin})=(27,1,1/2) or (27,1,3/2). The color-magnetic...
[ { "created": "Thu, 2 Dec 2004 04:26:38 GMT", "version": "v1" }, { "created": "Fri, 10 Dec 2004 07:59:02 GMT", "version": "v2" }, { "created": "Sat, 19 Feb 2005 09:21:04 GMT", "version": "v3" } ]
2009-11-10
[ [ "Maezawa", "Yuu", "" ], [ "Hatsuda", "Tetsuo", "" ], [ "Sasaki", "Shoichi", "" ] ]
Strange tribaryons as nona-quark (9 quark) states is studied to describe the S=-1 resonance S^0(3115) recently discovered in the reaction K- + ^4 He -> S^0 + p. We have identified S^0(3115) as a member of the flavor 27-plet, in particular, (F_{flavor},I_{isospin},J_{spin})=(27,1,1/2) or (27,1,3/2). The color-magnetic i...
hep-ph/0406240
Matthias Steinhauser
Matthias Steinhauser
${BR}(\bar{B}\to X_s\gamma)$: First Next-to-Next-to-Leading Order Results
5 pages, ps figures included, contribution to the Proceedings of the International Conference and Loops and Legs in Quantum Field Theory 2004, Germany, 25-30 April 2004
null
10.1016/j.nuclphysbps.2004.09.015
null
hep-ph
null
In this contribution the first next-to-next-to-leading order corrections to the branching ratio ${BR}(\bar{B}\to X_s\gamma)$ are discussed. This includes the completion of the matching part and the fermionic corrections to the most important operator matrix elements.
[ { "created": "Tue, 22 Jun 2004 12:09:13 GMT", "version": "v1" } ]
2009-11-10
[ [ "Steinhauser", "Matthias", "" ] ]
In this contribution the first next-to-next-to-leading order corrections to the branching ratio ${BR}(\bar{B}\to X_s\gamma)$ are discussed. This includes the completion of the matching part and the fermionic corrections to the most important operator matrix elements.
hep-ph/9604272
Albert Roeck
J. Bartels, V. Del Duca, A. De Roeck, D. Graudenz, M. Wuesthoff
Associated Jet Production at HERA
11 pages, latex & Figures appended as uuencoded file
Phys.Lett.B384:300-306,1996
10.1016/0370-2693(96)00786-1
DESY 96-036
hep-ph
null
We compare the BFKL prediction for the associated production of forward jets at HERA with fixed-order matrix element calculations taking into account the kinematical cuts imposed by experimental conditions. Comparison with H1 data of the 1993 run favours the BFKL prediction. As a further signal of BFKL dynamics, we p...
[ { "created": "Tue, 9 Apr 1996 14:59:14 GMT", "version": "v1" } ]
2014-11-17
[ [ "Bartels", "J.", "" ], [ "Del Duca", "V.", "" ], [ "De Roeck", "A.", "" ], [ "Graudenz", "D.", "" ], [ "Wuesthoff", "M.", "" ] ]
We compare the BFKL prediction for the associated production of forward jets at HERA with fixed-order matrix element calculations taking into account the kinematical cuts imposed by experimental conditions. Comparison with H1 data of the 1993 run favours the BFKL prediction. As a further signal of BFKL dynamics, we pro...
2101.10872
Michael Lisa
Michael Annan Lisa, Jo\~ao Guilherme Prado Barbon, David Dobrigkeit Chinellato, Willian Matioli Serenone, Chun Shen, Jun Takahashi, Giorgio Torrieri
Vortex rings from high energy central p+A collisions
5 pages, 4 figures; For v2, references updated; v3 is as published: emphasized that the effect is the same regardless of the "type" of vorticity used in the calculation
Phys. Rev. C 104, 011901 (2021)
10.1103/PhysRevC.104.L011901
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Relativistic p+A collisions may produce droplets of quark gluon plasma (QGP) that quickly develop a toroidal vortex structure similar to that of an expanding smoke ring. We present viscous relativistic hydrodynamic calculations of ultra-central p+A collisions and develop an experimental observable to probe the struct...
[ { "created": "Tue, 26 Jan 2021 15:23:41 GMT", "version": "v1" }, { "created": "Sat, 30 Jan 2021 20:21:08 GMT", "version": "v2" }, { "created": "Tue, 20 Jul 2021 13:37:50 GMT", "version": "v3" } ]
2021-07-21
[ [ "Lisa", "Michael Annan", "" ], [ "Barbon", "João Guilherme Prado", "" ], [ "Chinellato", "David Dobrigkeit", "" ], [ "Serenone", "Willian Matioli", "" ], [ "Shen", "Chun", "" ], [ "Takahashi", "Jun", "" ], [ "Torri...
Relativistic p+A collisions may produce droplets of quark gluon plasma (QGP) that quickly develop a toroidal vortex structure similar to that of an expanding smoke ring. We present viscous relativistic hydrodynamic calculations of ultra-central p+A collisions and develop an experimental observable to probe the structur...
1011.1383
Oleg Teryaev
O.V. Selyugin, O.V. Teryaev
A Gravitational Potential with Extra-dimensions and Spin Effects In Hadronic Reactions
13 pages, 7 figures
Found.Phys.40:1042,2010
10.1007/s10701-010-9437-z
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The impact of the KK-modes in d-brane models of gravity with large compactification radii and TeV-scale quantum gravity on the hadronic potential at small impact parameters is examined. The effects of the gravitational hadronic form factors obtained from the generalized parton distributions (GPDs) on the behavior of ...
[ { "created": "Fri, 5 Nov 2010 12:47:03 GMT", "version": "v1" }, { "created": "Thu, 13 Jan 2011 18:46:07 GMT", "version": "v2" } ]
2011-04-22
[ [ "Selyugin", "O. V.", "" ], [ "Teryaev", "O. V.", "" ] ]
The impact of the KK-modes in d-brane models of gravity with large compactification radii and TeV-scale quantum gravity on the hadronic potential at small impact parameters is examined. The effects of the gravitational hadronic form factors obtained from the generalized parton distributions (GPDs) on the behavior of th...
1708.01498
Victor Goncalves
V. P. Goncalves, L. S. Martins, B. D. Moreira
Diffractive quarkonium photoproduction in $pp$ and $pA$ collisions at the LHC: Predictions of the Resolved Pomeron model for the Run 2 energies
9 pages, 5 figures, 1 table. Improved version to be published in Physical Review D. Numerical bug corrected. All figures were replaced. One new figure and the NRQCD and CEM predictions for the quarkonium production have been included
Phys. Rev. D 96, 074029 (2017)
10.1103/PhysRevD.96.074029
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The inclusive diffractive quarkonium photoproduction in $pp$ and $pA$ collisions is investigated considering the Resolved Pomeron Model to describe the diffractive interaction. We estimate the rapidity and transverse momentum distributions for the $J/\Psi$, $\Psi(2S)$ and $\Upsilon$ photoproduction in hadronic collis...
[ { "created": "Fri, 4 Aug 2017 13:48:14 GMT", "version": "v1" }, { "created": "Tue, 17 Oct 2017 09:54:22 GMT", "version": "v2" } ]
2017-11-01
[ [ "Goncalves", "V. P.", "" ], [ "Martins", "L. S.", "" ], [ "Moreira", "B. D.", "" ] ]
The inclusive diffractive quarkonium photoproduction in $pp$ and $pA$ collisions is investigated considering the Resolved Pomeron Model to describe the diffractive interaction. We estimate the rapidity and transverse momentum distributions for the $J/\Psi$, $\Psi(2S)$ and $\Upsilon$ photoproduction in hadronic collisio...
hep-ph/0108093
V. J. Kolhinen
K.J. Eskola, V.J. Kolhinen, P.V. Ruuskanen and R.L. Thews
Effects of shadowing on Drell-Yan dilepton production in high energy nuclear collisions
13 pages, 9 eps figures
Int.J.Mod.Phys. E12 (2003) 197-210
10.1142/S0218301303001260
null
hep-ph
null
We compute cross sections for the Drell-Yan process in nuclear collisions at next-to-leading order (NLO) in \alpha_s. The effects of shadowing on the normalization and on the mass and rapidity dependence of these cross sections are presented. An estimate of higher order corrections is obtained from next-to-next-to-le...
[ { "created": "Fri, 10 Aug 2001 10:51:44 GMT", "version": "v1" } ]
2009-11-07
[ [ "Eskola", "K. J.", "" ], [ "Kolhinen", "V. J.", "" ], [ "Ruuskanen", "P. V.", "" ], [ "Thews", "R. L.", "" ] ]
We compute cross sections for the Drell-Yan process in nuclear collisions at next-to-leading order (NLO) in \alpha_s. The effects of shadowing on the normalization and on the mass and rapidity dependence of these cross sections are presented. An estimate of higher order corrections is obtained from next-to-next-to-lead...
1703.02495
Zhe Xu
Kai Zhou, Zhe Xu, Pengfei Zhuang, and Carsten Greiner
Kinetic description of Bose-Einstein condensation with test particle simulations
15 pages,14 figures
Phys. Rev. D 96, 014020 (2017)
10.1103/PhysRevD.96.014020
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a kinetic description of Bose-Einstein condensation for particle systems being out of thermal equilibrium, which may happen for gluons produced in the early stage of ultra-relativistic heavy-ion collisions. The dynamics of bosons towards equilibrium is described by a Boltzmann equation including Bose facto...
[ { "created": "Tue, 7 Mar 2017 17:58:41 GMT", "version": "v1" } ]
2017-08-02
[ [ "Zhou", "Kai", "" ], [ "Xu", "Zhe", "" ], [ "Zhuang", "Pengfei", "" ], [ "Greiner", "Carsten", "" ] ]
We present a kinetic description of Bose-Einstein condensation for particle systems being out of thermal equilibrium, which may happen for gluons produced in the early stage of ultra-relativistic heavy-ion collisions. The dynamics of bosons towards equilibrium is described by a Boltzmann equation including Bose factors...
1807.03453
Tao Zhong
Tao Zhong, Yi Zhang, Xing-Gang Wu, Hai-Bing Fu and Tao Huang
The Ratio $\mathcal{R}(D)$ and the $D$-meson Distribution Amplitude
15 pages,9 figures
null
10.1140/epjc/s10052-018-6387-7
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we calculate the $B\to D$ transition form factors (TFFs) within the light-cone sum rules (LCSR) and predict the ratio $\mathcal{R}(D)$. More accurate $D$-meson distribution amplitudes (DAs) are essential to get a more accurate theoretical prediction. We construct a new model for the twist-3 DAs $\phi^p...
[ { "created": "Tue, 10 Jul 2018 02:25:25 GMT", "version": "v1" } ]
2018-12-05
[ [ "Zhong", "Tao", "" ], [ "Zhang", "Yi", "" ], [ "Wu", "Xing-Gang", "" ], [ "Fu", "Hai-Bing", "" ], [ "Huang", "Tao", "" ] ]
In this paper, we calculate the $B\to D$ transition form factors (TFFs) within the light-cone sum rules (LCSR) and predict the ratio $\mathcal{R}(D)$. More accurate $D$-meson distribution amplitudes (DAs) are essential to get a more accurate theoretical prediction. We construct a new model for the twist-3 DAs $\phi^p_{...
2002.09583
C. Q. Geng
C.Q. Geng, Chia-Wei Liu and Tien-Hsueh Tsai
Mixing effects of $\Sigma^0-\Lambda^0$ in $\Lambda_c^+$ decays
11 pages, no figure, version accepted by PRD
Phys. Rev. D 101, 054005 (2020)
10.1103/PhysRevD.101.054005
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyze the mixing between $\Sigma^0$ and $\Lambda^0$ based on the baryon masses. We distinguish the contributions from QCD and QED in the baryon mass splittings. We find that the mixing angle between $\Sigma^0$ and $\Lambda^0$ is $(2.07\pm 0.03)\times 10^{-2} $, which leads to the decay branching fraction and up-...
[ { "created": "Sat, 22 Feb 2020 00:50:47 GMT", "version": "v1" } ]
2020-03-18
[ [ "Geng", "C. Q.", "" ], [ "Liu", "Chia-Wei", "" ], [ "Tsai", "Tien-Hsueh", "" ] ]
We analyze the mixing between $\Sigma^0$ and $\Lambda^0$ based on the baryon masses. We distinguish the contributions from QCD and QED in the baryon mass splittings. We find that the mixing angle between $\Sigma^0$ and $\Lambda^0$ is $(2.07\pm 0.03)\times 10^{-2} $, which leads to the decay branching fraction and up-do...
hep-ph/0007141
Fredrick Olness
S. Kuhlmann, J. Huston, J. Morfin, F. Olness, J. Pumplin, J.F. Owens, W.K. Tung, J.J. Whitmore
Parton Densitites at High-x
LaTeX, 5 pages, 2 figures. Invited talk at 8th International Workshop on Deep Inelastic Scattering and QCD (DIS 2000), Liverpool, England, 25-30 Apr 2000
null
null
SMU-HEP/00-11
hep-ph
null
Reliable knowledge of parton distributions at large x is crucial for many searches for new physics signals in the next generation of collider experiments. Although these are generally well determined in the small and medium x range, it has been shown that their uncertainty grows rapidly for x>0.1. We examine the stat...
[ { "created": "Thu, 13 Jul 2000 16:43:00 GMT", "version": "v1" } ]
2007-05-23
[ [ "Kuhlmann", "S.", "" ], [ "Huston", "J.", "" ], [ "Morfin", "J.", "" ], [ "Olness", "F.", "" ], [ "Pumplin", "J.", "" ], [ "Owens", "J. F.", "" ], [ "Tung", "W. K.", "" ], [ "Whitmore", "J. J.",...
Reliable knowledge of parton distributions at large x is crucial for many searches for new physics signals in the next generation of collider experiments. Although these are generally well determined in the small and medium x range, it has been shown that their uncertainty grows rapidly for x>0.1. We examine the status...
1410.4940
Sacha Davidson
Sacha Davidson
The Pressure of Misalignment Axions: a Difference from WIMPs in Galaxy Formation?
4 pages, contribution to the proceedings of PATRAS 2014
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Two populations of axions can contribute to cold dark matter: the classical field produced via the misalignment mechanism, and the modes produced in the decay of strings. The classical field has extra pressure, as compared to WIMPs, which could have observable consequences in non-linear galaxy formation.
[ { "created": "Sat, 18 Oct 2014 10:15:32 GMT", "version": "v1" } ]
2014-10-21
[ [ "Davidson", "Sacha", "" ] ]
Two populations of axions can contribute to cold dark matter: the classical field produced via the misalignment mechanism, and the modes produced in the decay of strings. The classical field has extra pressure, as compared to WIMPs, which could have observable consequences in non-linear galaxy formation.
1412.6259
Christian Bierlich
Christian Bierlich, G\"osta Gustafson, Leif L\"onnblad and Andrey Tarasov
Effects of Overlapping Strings in pp Collisions
48 pages, 22 figures
null
null
MCnet-14-27 LU-TP 14-44 JLAB-THY-15-1991
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In models for hadron collisions based on string hadronization, the strings are usually treated as independent, allowing no interaction between the confined colour fields. In studies of nucleus collisions it has been suggested that strings close in space can fuse to form "colour ropes". Such ropes are expected to give...
[ { "created": "Fri, 19 Dec 2014 09:32:05 GMT", "version": "v1" }, { "created": "Mon, 22 Dec 2014 09:00:42 GMT", "version": "v2" }, { "created": "Fri, 13 Feb 2015 14:18:21 GMT", "version": "v3" } ]
2015-02-16
[ [ "Bierlich", "Christian", "" ], [ "Gustafson", "Gösta", "" ], [ "Lönnblad", "Leif", "" ], [ "Tarasov", "Andrey", "" ] ]
In models for hadron collisions based on string hadronization, the strings are usually treated as independent, allowing no interaction between the confined colour fields. In studies of nucleus collisions it has been suggested that strings close in space can fuse to form "colour ropes". Such ropes are expected to give m...
1911.11074
Mikhail Zubkov Dr
C.X. Zhang, M.A. Zubkov
Feynman Rules in terms of the Wigner transformed Green functions
Latex, 14 pages
Physics Letters B802 (2020), 135197
10.1016/j.physletb.2020.135197
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the models defined on the inhomogeneous background the propagators depend on the two space - time momenta rather than on one momentum as in the homogeneous systems. Therefore, the conventional Feynman diagrams contain extra integrations over momenta, which complicate calculations. We propose to express all amplitu...
[ { "created": "Mon, 25 Nov 2019 17:27:50 GMT", "version": "v1" }, { "created": "Fri, 17 Jan 2020 00:49:14 GMT", "version": "v2" } ]
2020-01-20
[ [ "Zhang", "C. X.", "" ], [ "Zubkov", "M. A.", "" ] ]
In the models defined on the inhomogeneous background the propagators depend on the two space - time momenta rather than on one momentum as in the homogeneous systems. Therefore, the conventional Feynman diagrams contain extra integrations over momenta, which complicate calculations. We propose to express all amplitude...
1311.6314
Svjetlana Fajfer
Svjetlana Fajfer
Theory of rare charm decays
10 pages, to appear in the proceedings of The 6th International Workshop on Charm Physics (CHARM 2013)
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Recent disagreement between experimental measurments of CP violating asymmetry in D -> K+ K- and D ->pi+ pi- and theoretical Standard model expectation motivated many studies within the Standard model and beyond. Rare charm decays offer new probe of possible signals beyond Standard model. CP conserving and CP violati...
[ { "created": "Mon, 25 Nov 2013 14:19:41 GMT", "version": "v1" } ]
2013-11-26
[ [ "Fajfer", "Svjetlana", "" ] ]
Recent disagreement between experimental measurments of CP violating asymmetry in D -> K+ K- and D ->pi+ pi- and theoretical Standard model expectation motivated many studies within the Standard model and beyond. Rare charm decays offer new probe of possible signals beyond Standard model. CP conserving and CP violating...
2201.10901
Hsiang-nan Li
Hsiang-nan Li
Glauber gluons in pion-induced Drell-Yan processes revisited
12 pages, 7 figures, discussion on rotational-invariant observables and more references added, journal version
null
10.1103/PhysRevD.106.014029
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We reanalyze the anomalous angular distribution of lepton pairs produced in a pion-induced Drell-Yan process by taking into account the Glauber gluon effect in the $k_T$ factorization theorem. Compared to the previous study, we adopt the realistic parton distribution functions (PDFs) for a proton from the CTEQ and fo...
[ { "created": "Wed, 26 Jan 2022 12:40:10 GMT", "version": "v1" }, { "created": "Mon, 14 Feb 2022 01:58:39 GMT", "version": "v2" }, { "created": "Wed, 27 Jul 2022 05:10:42 GMT", "version": "v3" } ]
2022-08-17
[ [ "Li", "Hsiang-nan", "" ] ]
We reanalyze the anomalous angular distribution of lepton pairs produced in a pion-induced Drell-Yan process by taking into account the Glauber gluon effect in the $k_T$ factorization theorem. Compared to the previous study, we adopt the realistic parton distribution functions (PDFs) for a proton from the CTEQ and for ...
1708.08259
Sergey Afonin
S.S. Afonin
Large degeneracy in light mesons from a modified soft-wall holographic model
6 pages, found error is corrected, the main result is changed
Mod. Phys. Lett. A 32, 1750155 (2017)
10.1142/S0217732317501553
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a modification of soft-wall holographic model that in combination with the light-front holographic QCD leads to a broad hydrogen-like degeneracy of the same sort as the degeneracy observed experimentally in the spectrum of light mesons.
[ { "created": "Mon, 28 Aug 2017 09:59:04 GMT", "version": "v1" }, { "created": "Thu, 7 Jun 2018 12:59:13 GMT", "version": "v2" } ]
2018-06-08
[ [ "Afonin", "S. S.", "" ] ]
We propose a modification of soft-wall holographic model that in combination with the light-front holographic QCD leads to a broad hydrogen-like degeneracy of the same sort as the degeneracy observed experimentally in the spectrum of light mesons.
hep-ph/9910287
Andrew Akeroyd
A.G. Akeroyd, A. Arhrib, C. Dove
Charged and Pseudoscalar Higgs production at a Muon Collider
11 pages Latex, 5 figures, formulae added in sections 2.2 and 2.3, extra discussion in section 2.3, references added
Phys.Rev. D61 (2000) 071702
10.1103/PhysRevD.61.071702
null
hep-ph
null
We consider single charged Higgs ($H^{\pm}$) and pseudoscalar Higgs ($A^0$) production in association with a gauge boson at $\mu^+\mu^-$ colliders. We find that the tree-level t-channel and s-channel contributions to $\mu^+\mu^-\to H^{\pm}W^{\mp}, A^0Z$ are enhanced for large values of $\tan\beta$, allowing sizeable ...
[ { "created": "Sat, 9 Oct 1999 05:34:47 GMT", "version": "v1" }, { "created": "Wed, 27 Oct 1999 15:43:22 GMT", "version": "v2" } ]
2009-10-31
[ [ "Akeroyd", "A. G.", "" ], [ "Arhrib", "A.", "" ], [ "Dove", "C.", "" ] ]
We consider single charged Higgs ($H^{\pm}$) and pseudoscalar Higgs ($A^0$) production in association with a gauge boson at $\mu^+\mu^-$ colliders. We find that the tree-level t-channel and s-channel contributions to $\mu^+\mu^-\to H^{\pm}W^{\mp}, A^0Z$ are enhanced for large values of $\tan\beta$, allowing sizeable cr...
0712.3265
Pietro Slavich
G. Degrassi, P. Gambino and P. Slavich
SusyBSG: a fortran code for BR[B -> Xs gamma] in the MSSM with Minimal Flavor Violation
27 pages, 2 figures; v2 to appear in Comput.Phys.Commun. - refers to version 1.1 of the code; v3: note added on title page
Comput.Phys.Commun.179:759-771,2008
10.1016/j.cpc.2008.06.012
RM3-TH/07-19, DFTT-28/2007, LAPTH-1225/07, CERN-PH-TH/2007-265
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present the fortran code SusyBSG version 1.1, which computes the branching ratio for the decay B -> Xs gamma in the MSSM with Minimal Flavor Violation. The computation takes into account all the available NLO contributions, including the complete supersymmetric QCD corrections to the Wilson coefficients of the mag...
[ { "created": "Wed, 19 Dec 2007 19:36:23 GMT", "version": "v1" }, { "created": "Mon, 23 Jun 2008 13:59:49 GMT", "version": "v2" }, { "created": "Mon, 14 Feb 2011 12:06:03 GMT", "version": "v3" } ]
2011-02-15
[ [ "Degrassi", "G.", "" ], [ "Gambino", "P.", "" ], [ "Slavich", "P.", "" ] ]
We present the fortran code SusyBSG version 1.1, which computes the branching ratio for the decay B -> Xs gamma in the MSSM with Minimal Flavor Violation. The computation takes into account all the available NLO contributions, including the complete supersymmetric QCD corrections to the Wilson coefficients of the magne...
1305.3508
Mustafa Moumni Dr
M. Moumni and A. BenSlama
Effects of Non-Commutativity on Light-Hydrogen-Like Atoms and Proton Radius
17 Pages, No Figures. To appear in International Journal of Modern Physics A
Int. J. Mod. Phys. A 28, 1350139 (2013)
10.1142/S0217751X1350139X
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the corrections induced by the theory of non-commutativity, in both space-space and space-time versions, on the spectrum of hydrogen-like atoms. For this, we use the relativistic theory of two-particle systems to take into account the effects of the reduced mass, and we use perturbation methods to study the ...
[ { "created": "Wed, 15 May 2013 14:52:24 GMT", "version": "v1" }, { "created": "Fri, 31 May 2013 16:10:47 GMT", "version": "v2" }, { "created": "Mon, 19 Aug 2013 18:29:47 GMT", "version": "v3" }, { "created": "Thu, 31 Oct 2013 14:17:41 GMT", "version": "v4" } ]
2013-11-18
[ [ "Moumni", "M.", "" ], [ "BenSlama", "A.", "" ] ]
We study the corrections induced by the theory of non-commutativity, in both space-space and space-time versions, on the spectrum of hydrogen-like atoms. For this, we use the relativistic theory of two-particle systems to take into account the effects of the reduced mass, and we use perturbation methods to study the ef...
0910.3651
Arman Esmaili
Arman Esmaili
Cosmic neutrinos at IceCube: $\theta_{13}$, $\delta$ and initial flavor composition
3 pages, 2 figures, Talk given at the TAUP 2009 conference, Rome, Italy; J. Phys. Conf. Series to appear
J.Phys.Conf.Ser.203:012114,2010
10.1088/1742-6596/203/1/012114
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the prospect of extracting the values of the mixing parameters $\delta$ and $\theta_{13}$ through the detection of cosmic neutrinos in the planned and forthcoming neutrino telescopes. We take the ratio of the muon-track to shower-like events, R, as the realistic quantity that can be measured in the neutrin...
[ { "created": "Mon, 19 Oct 2009 19:14:21 GMT", "version": "v1" } ]
2010-02-11
[ [ "Esmaili", "Arman", "" ] ]
We discuss the prospect of extracting the values of the mixing parameters $\delta$ and $\theta_{13}$ through the detection of cosmic neutrinos in the planned and forthcoming neutrino telescopes. We take the ratio of the muon-track to shower-like events, R, as the realistic quantity that can be measured in the neutrino ...
2104.06209
Zhi-Peng Xing
Zhen-Xing Zhao, Yu-Ji Shi, Zhi-Peng Xing
Analysis of the interpolating currents of baryons: anomalous dimension
7 pages, 1 figure
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The anomalous dimensions for the interpolating currents of baryons are indispensable inputs in a serious QCD analysis of baryon. However, the results in the literature are vague. In view of this, in this work, we investigate the one-loop anomalous dimensions for some interpolating currents such as those of $\Lambda_{...
[ { "created": "Tue, 13 Apr 2021 14:01:28 GMT", "version": "v1" }, { "created": "Thu, 18 May 2023 04:55:36 GMT", "version": "v2" } ]
2023-05-19
[ [ "Zhao", "Zhen-Xing", "" ], [ "Shi", "Yu-Ji", "" ], [ "Xing", "Zhi-Peng", "" ] ]
The anomalous dimensions for the interpolating currents of baryons are indispensable inputs in a serious QCD analysis of baryon. However, the results in the literature are vague. In view of this, in this work, we investigate the one-loop anomalous dimensions for some interpolating currents such as those of $\Lambda_{Q}...
hep-ph/9402282
null
U.Baur (FSU), S. Errede (UIUC) and G. Landsberg (SUNY at Stony Brook)
Rapidity Correlations in $W\gamma$ Production at Hadron Colliders
33 pages, REVTEX2 file, 12 figures submitted separately as uuencoded tar-ed postscript files
Phys.Rev.D50:1917-1930,1994
10.1103/PhysRevD.50.1917
FSU-HEP-940214
hep-ph
null
We study the correlation of photon and charged lepton pseudorapidities, $\eta(\gamma)$ and $\eta(\ell)$, $\ell=e,\,\mu$, in $p\,\pbar \rightarrow W^\pm\gamma+X\rightarrow \ell^\pm p\llap/_T\gamma+X$. In the Standard Model, the $\Delta\eta(\gamma,\ell)= \eta(\gamma) - \eta(\ell)$ differential cross section is found to...
[ { "created": "Mon, 14 Feb 1994 19:38:17 GMT", "version": "v1" } ]
2016-09-01
[ [ "Baur", "U.", "", "FSU" ], [ "Errede", "S.", "", "UIUC" ], [ "Landsberg", "G.", "", "SUNY at Stony Brook" ] ]
We study the correlation of photon and charged lepton pseudorapidities, $\eta(\gamma)$ and $\eta(\ell)$, $\ell=e,\,\mu$, in $p\,\pbar \rightarrow W^\pm\gamma+X\rightarrow \ell^\pm p\llap/_T\gamma+X$. In the Standard Model, the $\Delta\eta(\gamma,\ell)= \eta(\gamma) - \eta(\ell)$ differential cross section is found to e...
1403.2714
Berthold Stech
Berthold Stech
Trinification Phenomenology and the structure of Higgs Bosons
12 pages, minor corrections, version accepted for publication in JHEP
null
10.1007/JHEP08(2014)139
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The extension of the Standard Model to $SU(3)_L \times SU(3)_R \times SU(3)_C$ (the trinification group) augmented by the $ SO(3)_G $ flavor group is considered. In our phenomenological treatment partly known and partly proposed vacuum expectation values of the scalar Higgs fields play a dominant role. All Higgs fiel...
[ { "created": "Tue, 11 Mar 2014 19:59:46 GMT", "version": "v1" }, { "created": "Sun, 29 Jun 2014 09:18:58 GMT", "version": "v2" }, { "created": "Thu, 7 Aug 2014 10:34:48 GMT", "version": "v3" } ]
2015-06-19
[ [ "Stech", "Berthold", "" ] ]
The extension of the Standard Model to $SU(3)_L \times SU(3)_R \times SU(3)_C$ (the trinification group) augmented by the $ SO(3)_G $ flavor group is considered. In our phenomenological treatment partly known and partly proposed vacuum expectation values of the scalar Higgs fields play a dominant role. All Higgs fields...
1404.0327
Pietro Slavich
E. Bagnaschi, R.V. Harlander, S. Liebler, H. Mantler, P. Slavich and A. Vicini
Towards precise predictions for Higgs-boson production in the MSSM
62 pages, 24 pdf figures; v2: minor clarifications, improved plot quality, matches published version
JHEP 06 (2014) 167
10.1007/JHEP06(2014)167
CERN-PH-TH/2014-048, DESY 14-040, IFUM 1024-FT, LPN14-061, MCnet-14-07, WUB/14-01
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the production of scalar and pseudoscalar Higgs bosons via gluon fusion and bottom-quark annihilation in the MSSM. Relying on the NNLO-QCD calculation implemented in the public code SusHi, we provide precise predictions for the Higgs-production cross section in six benchmark scenarios compatible with the LHC...
[ { "created": "Tue, 1 Apr 2014 17:53:48 GMT", "version": "v1" }, { "created": "Fri, 27 Jun 2014 15:04:39 GMT", "version": "v2" } ]
2014-06-30
[ [ "Bagnaschi", "E.", "" ], [ "Harlander", "R. V.", "" ], [ "Liebler", "S.", "" ], [ "Mantler", "H.", "" ], [ "Slavich", "P.", "" ], [ "Vicini", "A.", "" ] ]
We study the production of scalar and pseudoscalar Higgs bosons via gluon fusion and bottom-quark annihilation in the MSSM. Relying on the NNLO-QCD calculation implemented in the public code SusHi, we provide precise predictions for the Higgs-production cross section in six benchmark scenarios compatible with the LHC s...
hep-ph/0001166
Maxim Perelstein
Schuyler Cullen, Maxim Perelstein and Michael E. Peskin
TeV Strings and Collider Probes of Large Extra Dimensions
43 pages, 11 figures, final corrections before journal publication
Phys.Rev. D62 (2000) 055012
10.1103/PhysRevD.62.055012
SLAC-PUB-8319, SU-ITP-99/53
hep-ph hep-th
null
Arkani-Hamed, Dimopoulos, and Dvali have proposed that the fundamental gravitational scale is close to 1 TeV, and that the observed weakness of gravity at long distances is explained by the presence of large extra compact dimensions. If this scenario is realized in a string theory of quantum gravity, the string excit...
[ { "created": "Mon, 17 Jan 2000 20:46:20 GMT", "version": "v1" }, { "created": "Tue, 18 Jan 2000 14:58:52 GMT", "version": "v2" }, { "created": "Wed, 31 May 2000 23:16:30 GMT", "version": "v3" } ]
2009-10-31
[ [ "Cullen", "Schuyler", "" ], [ "Perelstein", "Maxim", "" ], [ "Peskin", "Michael E.", "" ] ]
Arkani-Hamed, Dimopoulos, and Dvali have proposed that the fundamental gravitational scale is close to 1 TeV, and that the observed weakness of gravity at long distances is explained by the presence of large extra compact dimensions. If this scenario is realized in a string theory of quantum gravity, the string excited...
1202.6070
Javier Rasero
Gabriela Barenboim, Javier Rasero (University of Valencia)
Electroweak baryogenesis window in non standard cosmologies
18 pages, 8 figures. Text corrected and several points clarified. New references added
JHEP 1207:028,2012
10.1007/JHEP07(2012)028
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work we show that the new bounds on the Higgs mass are more than difficult to reconcile with the strong constraints on the physical parameters of the Standard Model and the Minimal Supersymmetric Standard Model imposed by the preservation of the baryon asymmetry. This bound can be weakened by assuming a nonst...
[ { "created": "Mon, 27 Feb 2012 21:11:03 GMT", "version": "v1" }, { "created": "Thu, 10 May 2012 17:32:32 GMT", "version": "v2" } ]
2014-04-10
[ [ "Barenboim", "Gabriela", "", "University of Valencia" ], [ "Rasero", "Javier", "", "University of Valencia" ] ]
In this work we show that the new bounds on the Higgs mass are more than difficult to reconcile with the strong constraints on the physical parameters of the Standard Model and the Minimal Supersymmetric Standard Model imposed by the preservation of the baryon asymmetry. This bound can be weakened by assuming a nonstan...
hep-ph/9611455
null
Chong Sheng Li, Robert J. Oakes and Jin Min Yang
Supersymmetric Electroweak Corrections to Single Top Quark Production at the Fermilab Tevatron
13 pages, 4 figures available at request
Phys.Rev. D55 (1997) 5780-5785
10.1103/PhysRevD.55.5780
NUHEP-TH-96-6
hep-ph
null
We have calculated the $O(\alpha_{ew} M_t^2/M_W^2)$ supersymmetric electroweak corrections to single top quark production via $q\bar q' \to t\bar b$ at the Fermilab Tevatron in the minimal supersymmetric model. The supersymmetric electroweak corrections to the cross section are a few percent for $tan \beta> 1$, and c...
[ { "created": "Wed, 27 Nov 1996 22:04:53 GMT", "version": "v1" } ]
2009-10-30
[ [ "Li", "Chong Sheng", "" ], [ "Oakes", "Robert J.", "" ], [ "Yang", "Jin Min", "" ] ]
We have calculated the $O(\alpha_{ew} M_t^2/M_W^2)$ supersymmetric electroweak corrections to single top quark production via $q\bar q' \to t\bar b$ at the Fermilab Tevatron in the minimal supersymmetric model. The supersymmetric electroweak corrections to the cross section are a few percent for $tan \beta> 1$, and can...
0909.0051
George Rupp
Susana Coito, George Rupp, Eef van Beveren
Multichannel calculation of excited vector $\phi$ resonances and the $\phi(2170)$
6 pages, 5 figures, RevTex4; v2: very recent experimental result, some extra discussion, and 2 references added; v3: 3 new figures, 2 new equations, and some rephrasing; version accepted for publication in Phys. Rev. D
Phys.Rev.D80:094011,2009
10.1103/PhysRevD.80.094011
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A multichannel calculation of excited $J^{PC}=1^{--}$ $\phi$ states is carried out within a generalization of the Resonance-Spectrum Expansion, which may shed light on the classification of the $\phi(2170)$ resonance, discovered by BABAR and originally denoted X(2175). In this framework, a complete spectrum of bare $...
[ { "created": "Tue, 1 Sep 2009 11:50:23 GMT", "version": "v1" }, { "created": "Mon, 7 Sep 2009 12:46:28 GMT", "version": "v2" }, { "created": "Wed, 18 Nov 2009 15:20:49 GMT", "version": "v3" } ]
2014-11-20
[ [ "Coito", "Susana", "" ], [ "Rupp", "George", "" ], [ "van Beveren", "Eef", "" ] ]
A multichannel calculation of excited $J^{PC}=1^{--}$ $\phi$ states is carried out within a generalization of the Resonance-Spectrum Expansion, which may shed light on the classification of the $\phi(2170)$ resonance, discovered by BABAR and originally denoted X(2175). In this framework, a complete spectrum of bare $s\...
hep-ph/0412031
Spencer Wheaton
S. Wheaton, J. Cleymans
Statistical-Thermal Model Calculations using THERMUS
Contributed to 8th International Conference on Strangeness in Quark Matter, Cape Town, South Africa, 15-20 September 2004
J.Phys. G31 (2005) S1069-S1074
10.1088/0954-3899/31/6/060
null
hep-ph
null
Selected results obtained using THERMUS, a newly-developed statistical-thermal model analysis package, are presented.
[ { "created": "Thu, 2 Dec 2004 11:45:20 GMT", "version": "v1" } ]
2009-11-10
[ [ "Wheaton", "S.", "" ], [ "Cleymans", "J.", "" ] ]
Selected results obtained using THERMUS, a newly-developed statistical-thermal model analysis package, are presented.
1111.4987
Jernej Kamenik
Gino Isidori, Jernej F. Kamenik, Zoltan Ligeti and Gilad Perez
Implications of the LHCb Evidence for Charm CP Violation
7 pages, 3 figures; minor corrections, conclusions unchanged
null
10.1016/j.physletb.2012.03.046
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The LHCb collaboration recently announced preliminary evidence for CP violation in D meson decays. We discuss this result in the context of the standard model (SM), as well as its extensions. In the absence of reliable methods to evaluate the hadronic matrix elements involved, we can only estimate qualitatively the m...
[ { "created": "Mon, 21 Nov 2011 19:52:06 GMT", "version": "v1" }, { "created": "Tue, 20 Mar 2012 08:20:59 GMT", "version": "v2" } ]
2012-03-23
[ [ "Isidori", "Gino", "" ], [ "Kamenik", "Jernej F.", "" ], [ "Ligeti", "Zoltan", "" ], [ "Perez", "Gilad", "" ] ]
The LHCb collaboration recently announced preliminary evidence for CP violation in D meson decays. We discuss this result in the context of the standard model (SM), as well as its extensions. In the absence of reliable methods to evaluate the hadronic matrix elements involved, we can only estimate qualitatively the mag...
0907.0519
Motohiko Yoshimura
M. Yoshimura, A.Fukumi, N. Sasao, and T. Yamaguchi
Parity violating observables in radiative neutrino pair emission from metastable atoms
9 pages, 4 figures
Prog.Theor.Phys.123:523-532,2010
10.1143/PTP.123.523
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We report on a possibility of measuring parity violating effects in radiative neutrino pair emission from metastable atoms; asymmetric angular distribution of emitted photons from oriented atoms and emergent circular polarization. Their observation, along with the continuous photon energy spectrum which has 6 thresho...
[ { "created": "Fri, 3 Jul 2009 02:50:23 GMT", "version": "v1" }, { "created": "Wed, 2 Sep 2009 01:03:24 GMT", "version": "v2" } ]
2014-11-20
[ [ "Yoshimura", "M.", "" ], [ "Fukumi", "A.", "" ], [ "Sasao", "N.", "" ], [ "Yamaguchi", "T.", "" ] ]
We report on a possibility of measuring parity violating effects in radiative neutrino pair emission from metastable atoms; asymmetric angular distribution of emitted photons from oriented atoms and emergent circular polarization. Their observation, along with the continuous photon energy spectrum which has 6 threshold...
hep-ph/0311020
Cleymans
J. Cleymans, B. Kaempfer, P. Steinberg, S. Wheaton
System-size dependence
5 pages, 5 figures, presented at SQM2003 conference
J.Phys.G30:S595-S598,2004
10.1088/0954-3899/30/1/074
null
hep-ph
null
The final state in The final state in heavy-ion collisions has a higher degree of strangeness saturation than the one produced in collisions between elementary particles like p-p or p-$\bar{p}$. A systematic analysis of this phenomenon is made for C-C, Si-Si and Pb-Pb collisions at the CERN SPS collider and for $Au-A...
[ { "created": "Mon, 3 Nov 2003 13:19:11 GMT", "version": "v1" } ]
2015-06-25
[ [ "Cleymans", "J.", "" ], [ "Kaempfer", "B.", "" ], [ "Steinberg", "P.", "" ], [ "Wheaton", "S.", "" ] ]
The final state in The final state in heavy-ion collisions has a higher degree of strangeness saturation than the one produced in collisions between elementary particles like p-p or p-$\bar{p}$. A systematic analysis of this phenomenon is made for C-C, Si-Si and Pb-Pb collisions at the CERN SPS collider and for $Au-Au$...
1309.7212
Ben O'Leary
J. E. Camargo-Molina, B. O'Leary, W. Porod, F. Staub
Stability of the CMSSM against sfermion VEVs
30 pages, 14 figures. V2: as published in JHEP (+1 extra ref.); while awaiting review, code error was found and tunneling times had to be re-done. Main results unchanged: quick tunneling to CCB minima restricts relevant parameter space; no analytic formula finds points with CCB global minima well. However, para...
JHEP12(2013)103
10.1007/JHEP12(2013)103
null
hep-ph hep-ex hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The recent discovery of a Higgs boson by the LHC experiments has profound implications for supersymmetric models. In particular, in the context of restricted models, such as the supergravity-inspired constrained minimal supersymmetric standard model, one finds that preferred regions in parameter space have large soft...
[ { "created": "Fri, 27 Sep 2013 11:56:15 GMT", "version": "v1" }, { "created": "Fri, 27 Dec 2013 19:43:12 GMT", "version": "v2" } ]
2014-01-06
[ [ "Camargo-Molina", "J. E.", "" ], [ "O'Leary", "B.", "" ], [ "Porod", "W.", "" ], [ "Staub", "F.", "" ] ]
The recent discovery of a Higgs boson by the LHC experiments has profound implications for supersymmetric models. In particular, in the context of restricted models, such as the supergravity-inspired constrained minimal supersymmetric standard model, one finds that preferred regions in parameter space have large soft s...
hep-ph/9912206
Carlo Oleari
Carlo Oleari
Results in next-to-leading-log prompt-photon hadroproduction
Talk given at the UK Phenomenology Workshop on Collider Physics, Durham, UK, 19-24 September 1999. To appear in the Proceeding of the conference. 4 pages, 2 figures, iopart.cls
J.Phys.G26:627-630,2000
10.1088/0954-3899/26/5/316
DTP/99/104
hep-ph
null
We present some results on renormalization and factorization scale dependence of soft-gluon resummation, at the next-to-leading-logarithmic level, in the fixed-target hadro-production cross-section for prompt photons.
[ { "created": "Wed, 1 Dec 1999 15:27:48 GMT", "version": "v1" } ]
2008-11-26
[ [ "Oleari", "Carlo", "" ] ]
We present some results on renormalization and factorization scale dependence of soft-gluon resummation, at the next-to-leading-logarithmic level, in the fixed-target hadro-production cross-section for prompt photons.
hep-ph/0610353
Carmen Garcia-Recio
C. Garcia-Recio, J. Nieves and L.L. Salcedo (University of Granada)
Meson-Baryon s-wave Resonances with Strangeness -3
3 pages, 1 Postscript figure, 7 tables
Eur.Phys.J.A31:540-542,2007
10.1140/epja/i2006-10241-3
null
hep-ph nucl-th
null
Starting from a consistent SU(6) extension of the Weinberg-Tomozawa (WT) meson-baryon chiral Lagrangian (Phys. Rev. D74 (2006) 034025), we study the s-wave meson-baryon resonances in the strangeness S=-3 and negative parity sector. Those resonances are generated by solving the Bethe-Salpeter equation with the WT inte...
[ { "created": "Thu, 26 Oct 2006 12:05:59 GMT", "version": "v1" } ]
2008-11-26
[ [ "Garcia-Recio", "C.", "", "University of Granada" ], [ "Nieves", "J.", "", "University of Granada" ], [ "Salcedo", "L. L.", "", "University of Granada" ] ]
Starting from a consistent SU(6) extension of the Weinberg-Tomozawa (WT) meson-baryon chiral Lagrangian (Phys. Rev. D74 (2006) 034025), we study the s-wave meson-baryon resonances in the strangeness S=-3 and negative parity sector. Those resonances are generated by solving the Bethe-Salpeter equation with the WT intera...
hep-ph/0107111
Zenghui Yu
M. Chaichian, K. Huitu, S. Roy and Z.-H. Yu
Single sneutrino production in $\gamma\gamma$ collisions
17 pages, 12 figures
Phys.Lett. B518 (2001) 261-268
10.1016/S0370-2693(01)01075-9
HIP-2001-29/TH
hep-ph
null
We study the single production of sneutrinos with two leptons (or jets) via $\gamma\gamma$ collision in an R-parity ($R_{p}$) violating supersymmetric model. The subsequent decays of the sneutrino are also considered. The single production of sneutrinos may provide a significant test of supersymmetry and $R_p$-violat...
[ { "created": "Tue, 10 Jul 2001 12:58:01 GMT", "version": "v1" }, { "created": "Tue, 31 Jul 2001 13:03:57 GMT", "version": "v2" }, { "created": "Mon, 27 Aug 2001 10:36:05 GMT", "version": "v3" } ]
2009-11-07
[ [ "Chaichian", "M.", "" ], [ "Huitu", "K.", "" ], [ "Roy", "S.", "" ], [ "Yu", "Z. -H.", "" ] ]
We study the single production of sneutrinos with two leptons (or jets) via $\gamma\gamma$ collision in an R-parity ($R_{p}$) violating supersymmetric model. The subsequent decays of the sneutrino are also considered. The single production of sneutrinos may provide a significant test of supersymmetry and $R_p$-violatio...
1606.05847
Jens Hoff
Jens Hoff
Top quark mass effects in Higgs boson pair production up to NNLO
Contribution to the proceedings of Loops and Legs in Quantum Field Theory, 24 April - 29 April 2016, Leipzig, Germany
PoS(LL2016)024
null
DESY 16-096
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider the production of pairs of Standard Model Higgs bosons via gluon fusion. Until recently the full dependence on the top quark mass $M_t$ was not known at next-to-leading order. For this reason we apply an approximation based on the expansion for large top quark masses up to $\mathcal{O}(1/M_t^{12})$. At ne...
[ { "created": "Sun, 19 Jun 2016 09:19:53 GMT", "version": "v1" }, { "created": "Wed, 7 Sep 2016 11:18:53 GMT", "version": "v2" } ]
2016-09-08
[ [ "Hoff", "Jens", "" ] ]
We consider the production of pairs of Standard Model Higgs bosons via gluon fusion. Until recently the full dependence on the top quark mass $M_t$ was not known at next-to-leading order. For this reason we apply an approximation based on the expansion for large top quark masses up to $\mathcal{O}(1/M_t^{12})$. At next...
hep-ph/9607226
Gennaro Miele
F. Buccella, S. Esposito, C. Gualdi and G. Miele
Supernova Neutrino Energy Spectra and the MSW Effect
14 pages, plain LaTeX, 6 figures, revised version to be published in Z. Phys. C
Z.Phys.C73:633-640,1997
10.1007/s002880050354
DSF-26/96
hep-ph astro-ph
null
The distortions in the thermal energy spectra for neutrinos produced in a supernova when a resonant oscillation, MSW effect, occurs are determined. In order to show this effect for some relevant and representative examples of unified gauge models, we have chosen $SO(10)$, and $SU(5)_{SUSY}$, $SO(10)_{SUSY}$ with a pa...
[ { "created": "Wed, 3 Jul 1996 07:54:35 GMT", "version": "v1" }, { "created": "Fri, 6 Dec 1996 14:35:23 GMT", "version": "v2" } ]
2008-11-26
[ [ "Buccella", "F.", "" ], [ "Esposito", "S.", "" ], [ "Gualdi", "C.", "" ], [ "Miele", "G.", "" ] ]
The distortions in the thermal energy spectra for neutrinos produced in a supernova when a resonant oscillation, MSW effect, occurs are determined. In order to show this effect for some relevant and representative examples of unified gauge models, we have chosen $SO(10)$, and $SU(5)_{SUSY}$, $SO(10)_{SUSY}$ with a part...
1108.1918
Elina Seel
Elina Seel, Stefan Struber, Francesco Giacosa, and Dirk H. Rischke
Study of chiral symmetry restoration in linear and nonlinear O(N) models using the auxiliary field method
25 pages, 9 figures, 1 table, improved version
Phys. Rev. D 86, 125010 (2012)
10.1103/PhysRevD.86.125010
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider the O(N) linear {\sigma} model and introduce an auxiliary field to eliminate the scalar self-interaction. Using a suitable limiting process this model can be continuously transformed into the nonlinear version of the O(N) model. We demonstrate that, up to two-loop order in the CJT formalism, the effective...
[ { "created": "Tue, 9 Aug 2011 13:05:03 GMT", "version": "v1" }, { "created": "Mon, 13 Aug 2012 18:20:59 GMT", "version": "v2" } ]
2012-12-27
[ [ "Seel", "Elina", "" ], [ "Struber", "Stefan", "" ], [ "Giacosa", "Francesco", "" ], [ "Rischke", "Dirk H.", "" ] ]
We consider the O(N) linear {\sigma} model and introduce an auxiliary field to eliminate the scalar self-interaction. Using a suitable limiting process this model can be continuously transformed into the nonlinear version of the O(N) model. We demonstrate that, up to two-loop order in the CJT formalism, the effective p...
2407.20676
Wei Liu
Wei Liu, Suchita Kulkarni and Frank F. Deppisch
Revealing the Origin of Neutrino Masses through Displaced Shower Searches in the CMS Muon System
12 pages, 5 figures + appendix
null
null
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
We study the potential to probe the origin of neutrino masses, by searching for long-lived right-handed neutrinos~(RHNs) $N$ in the $B-L$ gauge model. Despite the small active-sterile mixing $|V_{\ell N}|^2$, RHNs are produced abundantly via SM and exotic Higgs production, as long as the Higgs mixing is sufficiently ...
[ { "created": "Tue, 30 Jul 2024 09:15:39 GMT", "version": "v1" } ]
2024-07-31
[ [ "Liu", "Wei", "" ], [ "Kulkarni", "Suchita", "" ], [ "Deppisch", "Frank F.", "" ] ]
We study the potential to probe the origin of neutrino masses, by searching for long-lived right-handed neutrinos~(RHNs) $N$ in the $B-L$ gauge model. Despite the small active-sterile mixing $|V_{\ell N}|^2$, RHNs are produced abundantly via SM and exotic Higgs production, as long as the Higgs mixing is sufficiently la...
hep-ph/9909483
Ralf Rapp
R. Rapp
Duality and Chiral Restoration from Dilepton Production in Relativistic Heavy-Ion Collisions
Talk given at ISMD '99 on 'QCD & Multiparticle Production' (Brown University, Providence, Aug. 9-13), 7 pages LaTeX including 6 ps-/eps-figures and sprocl.sty
null
null
null
hep-ph
null
We discuss the recent status in the theoretical understanding of dilepton production in central heavy-ion reactions with the Pb-beam at the full CERN-SpS energy of 158 AGeV. In the low-mass region ($M\le$~1 GeV) a strong broadening of the vector meson resonances in hot and dense matter (especially for the $\rho$ meso...
[ { "created": "Wed, 22 Sep 1999 23:38:48 GMT", "version": "v1" } ]
2007-05-23
[ [ "Rapp", "R.", "" ] ]
We discuss the recent status in the theoretical understanding of dilepton production in central heavy-ion reactions with the Pb-beam at the full CERN-SpS energy of 158 AGeV. In the low-mass region ($M\le$~1 GeV) a strong broadening of the vector meson resonances in hot and dense matter (especially for the $\rho$ meson)...